Finding the Fourth Proportional to 62,412.64, 86,160.72 and 42,375.52

Step by Step Solution

1. Step 1: Write the proportion equation
   62,412.64 : 86,160.72 = 42,375.52 : x
2. Step 2: Convert to fraction form
   62,412.64/86,160.72 = 42,375.52/x
3. Step 3: Cross multiply
   62,412.64x = 86,160.72 × 42,375.52
4. Step 4: Simplify right side
   62,412.64x = 3,651,105,313.57
5. Step 5: Solve for x
   x = 3,651,105,313.57/62,412.64
6. Step 6: Final answer
   x = 58,499.45