Finding the Fourth Proportional to 67,785.15, 93,532.52 and 42,287.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67,785.15 : 93,532.52 = 42,287.47 : x
2. Step 2: Convert to fraction form
   67,785.15/93,532.52 = 42,287.47/x
3. Step 3: Cross multiply
   67,785.15x = 93,532.52 × 42,287.47
4. Step 4: Simplify right side
   67,785.15x = 3,955,253,505.41
5. Step 5: Solve for x
   x = 3,955,253,505.41/67,785.15
6. Step 6: Final answer
   x = 58,349.85