Finding the Fourth Proportional to 88,238.31, 121,707.27 and 58,013.97

Step by Step Solution

1. Step 1: Write the proportion equation
   88,238.31 : 121,707.27 = 58,013.97 : x
2. Step 2: Convert to fraction form
   88,238.31/121,707.27 = 58,013.97/x
3. Step 3: Cross multiply
   88,238.31x = 121,707.27 × 58,013.97
4. Step 4: Simplify right side
   88,238.31x = 7,060,721,910.56
5. Step 5: Solve for x
   x = 7,060,721,910.56/88,238.31
6. Step 6: Final answer
   x = 80,018.78