Finding the Fourth Proportional to 113,517.99, 156,654.87 and 65,799.00

Step by Step Solution

1. Step 1: Write the proportion equation
   113,517.99 : 156,654.87 = 65,799.00 : x
2. Step 2: Convert to fraction form
   113,517.99/156,654.87 = 65,799.00/x
3. Step 3: Cross multiply
   113,517.99x = 156,654.87 × 65,799.00
4. Step 4: Simplify right side
   113,517.99x = 10,307,732,678.86
5. Step 5: Solve for x
   x = 10,307,732,678.86/113,517.99
6. Step 6: Final answer
   x = 90,802.64