Finding the Fourth Proportional to 115,439.25, 159,332.69 and 67,707.98

Step by Step Solution

1. Step 1: Write the proportion equation
   115,439.25 : 159,332.69 = 67,707.98 : x
2. Step 2: Convert to fraction form
   115,439.25/159,332.69 = 67,707.98/x
3. Step 3: Cross multiply
   115,439.25x = 159,332.69 × 67,707.98
4. Step 4: Simplify right side
   115,439.25x = 10,788,093,452.66
5. Step 5: Solve for x
   x = 10,788,093,452.66/115,439.25
6. Step 6: Final answer
   x = 93,452.56