Finding the Fourth Proportional to 113,898.16, 157,185.58 and 65,499.52

Step by Step Solution

1. Step 1: Write the proportion equation
   113,898.16 : 157,185.58 = 65,499.52 : x
2. Step 2: Convert to fraction form
   113,898.16/157,185.58 = 65,499.52/x
3. Step 3: Cross multiply
   113,898.16x = 157,185.58 × 65,499.52
4. Step 4: Simplify right side
   113,898.16x = 10,295,580,040.92
5. Step 5: Solve for x
   x = 10,295,580,040.92/113,898.16
6. Step 6: Final answer
   x = 90,392.86