Finding the Fourth Proportional to 115,796.25, 159,803.15 and 65,494.17

Step by Step Solution

1. Step 1: Write the proportion equation
   115,796.25 : 159,803.15 = 65,494.17 : x
2. Step 2: Convert to fraction form
   115,796.25/159,803.15 = 65,494.17/x
3. Step 3: Cross multiply
   115,796.25x = 159,803.15 × 65,494.17
4. Step 4: Simplify right side
   115,796.25x = 10,466,174,345.16
5. Step 5: Solve for x
   x = 10,466,174,345.16/115,796.25
6. Step 6: Final answer
   x = 90,384.40