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Finding the Fourth Proportional to 5,878.99, 8,786.66 and 5,411.98

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Solution

The fourth proportional to 5,878.99, 8,786.66 and 5,411.98 is: 8,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.99 : 8,786.66 = 5,411.98 : x
  2. Step 2: Convert to fraction form
    5,878.99/8,786.66 = 5,411.98/x
  3. Step 3: Cross multiply
    5,878.99x = 8,786.66 × 5,411.98
  4. Step 4: Simplify right side
    5,878.99x = 47,553,228.19
  5. Step 5: Solve for x
    x = 47,553,228.19/5,878.99
  6. Step 6: Final answer
    x = 8,088.67

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