Finding the Fourth Proportional to 113,907.65, 157,201.17 and 65,524.39

Step by Step Solution

1. Step 1: Write the proportion equation
   113,907.65 : 157,201.17 = 65,524.39 : x
2. Step 2: Convert to fraction form
   113,907.65/157,201.17 = 65,524.39/x
3. Step 3: Cross multiply
   113,907.65x = 157,201.17 × 65,524.39
4. Step 4: Simplify right side
   113,907.65x = 10,300,510,132.82
5. Step 5: Solve for x
   x = 10,300,510,132.82/113,907.65
6. Step 6: Final answer
   x = 90,428.61