Finding the Fourth Proportional to 115,295.31, 172,995.51 and 59,174.83

Step by Step Solution

1. Step 1: Write the proportion equation
   115,295.31 : 172,995.51 = 59,174.83 : x
2. Step 2: Convert to fraction form
   115,295.31/172,995.51 = 59,174.83/x
3. Step 3: Cross multiply
   115,295.31x = 172,995.51 × 59,174.83
4. Step 4: Simplify right side
   115,295.31x = 10,236,978,734.16
5. Step 5: Solve for x
   x = 10,236,978,734.16/115,295.31
6. Step 6: Final answer
   x = 88,789.20