Finding the Fourth Proportional to 113,945.84, 157,275.88 and 65,553.30

Step by Step Solution

1. Step 1: Write the proportion equation
   113,945.84 : 157,275.88 = 65,553.30 : x
2. Step 2: Convert to fraction form
   113,945.84/157,275.88 = 65,553.30/x
3. Step 3: Cross multiply
   113,945.84x = 157,275.88 × 65,553.30
4. Step 4: Simplify right side
   113,945.84x = 10,309,952,780.52
5. Step 5: Solve for x
   x = 10,309,952,780.52/113,945.84
6. Step 6: Final answer
   x = 90,481.17