Finding the Fourth Proportional to 142,484.57, 213,647.88 and 58,303.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,484.57 : 213,647.88 = 58,303.76 : x
2. Step 2: Convert to fraction form
   142,484.57/213,647.88 = 58,303.76/x
3. Step 3: Cross multiply
   142,484.57x = 213,647.88 × 58,303.76
4. Step 4: Simplify right side
   142,484.57x = 12,456,473,870.43
5. Step 5: Solve for x
   x = 12,456,473,870.43/142,484.57
6. Step 6: Final answer
   x = 87,423.32