Finding the Fourth Proportional to 109,058.31, 150,498.30 and 60,659.19

Step by Step Solution

1. Step 1: Write the proportion equation
   109,058.31 : 150,498.30 = 60,659.19 : x
2. Step 2: Convert to fraction form
   109,058.31/150,498.30 = 60,659.19/x
3. Step 3: Cross multiply
   109,058.31x = 150,498.30 × 60,659.19
4. Step 4: Simplify right side
   109,058.31x = 9,129,105,201.85
5. Step 5: Solve for x
   x = 9,129,105,201.85/109,058.31
6. Step 6: Final answer
   x = 83,708.48