Finding the Fourth Proportional to 12,670,056.18, 17,484,814.54 and 7,443,284.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,670,056.18 : 17,484,814.54 = 7,443,284.65 : x
2. Step 2: Convert to fraction form
   12,670,056.18/17,484,814.54 = 7,443,284.65/x
3. Step 3: Cross multiply
   12,670,056.18x = 17,484,814.54 × 7,443,284.65
4. Step 4: Simplify right side
   12,670,056.18x = 130,144,451,549,038.31
5. Step 5: Solve for x
   x = 130,144,451,549,038.31/12,670,056.18
6. Step 6: Final answer
   x = 10,271,813.30