Finding the Fourth Proportional to 113,517.49, 156,654.18 and 65,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,517.49 : 156,654.18 = 65,798.50 : x
2. Step 2: Convert to fraction form
   113,517.49/156,654.18 = 65,798.50/x
3. Step 3: Cross multiply
   113,517.49x = 156,654.18 × 65,798.50
4. Step 4: Simplify right side
   113,517.49x = 10,307,608,950.47
5. Step 5: Solve for x
   x = 10,307,608,950.47/113,517.49
6. Step 6: Final answer
   x = 90,801.95