Finding the Fourth Proportional to 113,385.48, 156,455.34 and 68,053.86

Step by Step Solution

1. Step 1: Write the proportion equation
   113,385.48 : 156,455.34 = 68,053.86 : x
2. Step 2: Convert to fraction form
   113,385.48/156,455.34 = 68,053.86/x
3. Step 3: Cross multiply
   113,385.48x = 156,455.34 × 68,053.86
4. Step 4: Simplify right side
   113,385.48x = 10,647,389,804.61
5. Step 5: Solve for x
   x = 10,647,389,804.61/113,385.48
6. Step 6: Final answer
   x = 93,904.35