Finding the Fourth Proportional to 113,238.60, 156,277.98 and 67,918.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,238.60 : 156,277.98 = 67,918.32 : x
2. Step 2: Convert to fraction form
   113,238.60/156,277.98 = 67,918.32/x
3. Step 3: Cross multiply
   113,238.60x = 156,277.98 × 67,918.32
4. Step 4: Simplify right side
   113,238.60x = 10,614,137,854.59
5. Step 5: Solve for x
   x = 10,614,137,854.59/113,238.60
6. Step 6: Final answer
   x = 93,732.51