Finding the Fourth Proportional to 113,839.78, 156,952.83 and 93,346.33

Step by Step Solution

1. Step 1: Write the proportion equation
   113,839.78 : 156,952.83 = 93,346.33 : x
2. Step 2: Convert to fraction form
   113,839.78/156,952.83 = 93,346.33/x
3. Step 3: Cross multiply
   113,839.78x = 156,952.83 × 93,346.33
4. Step 4: Simplify right side
   113,839.78x = 14,650,970,663.61
5. Step 5: Solve for x
   x = 14,650,970,663.61/113,839.78
6. Step 6: Final answer
   x = 128,698.16