Finding the Fourth Proportional to 113,342.73, 156,403.29 and 65,599.02

Step by Step Solution

1. Step 1: Write the proportion equation
   113,342.73 : 156,403.29 = 65,599.02 : x
2. Step 2: Convert to fraction form
   113,342.73/156,403.29 = 65,599.02/x
3. Step 3: Cross multiply
   113,342.73x = 156,403.29 × 65,599.02
4. Step 4: Simplify right side
   113,342.73x = 10,259,902,548.78
5. Step 5: Solve for x
   x = 10,259,902,548.78/113,342.73
6. Step 6: Final answer
   x = 90,521.05