Finding the Fourth Proportional to 113,929.18, 157,217.49 and 65,527.45

Step by Step Solution

1. Step 1: Write the proportion equation
   113,929.18 : 157,217.49 = 65,527.45 : x
2. Step 2: Convert to fraction form
   113,929.18/157,217.49 = 65,527.45/x
3. Step 3: Cross multiply
   113,929.18x = 157,217.49 × 65,527.45
4. Step 4: Simplify right side
   113,929.18x = 10,302,061,215.10
5. Step 5: Solve for x
   x = 10,302,061,215.10/113,929.18
6. Step 6: Final answer
   x = 90,425.13