Finding the Fourth Proportional to 71,730.17, 99,058.64 and 59,108.43

Step by Step Solution

1. Step 1: Write the proportion equation
   71,730.17 : 99,058.64 = 59,108.43 : x
2. Step 2: Convert to fraction form
   71,730.17/99,058.64 = 59,108.43/x
3. Step 3: Cross multiply
   71,730.17x = 99,058.64 × 59,108.43
4. Step 4: Simplify right side
   71,730.17x = 5,855,200,392.79
5. Step 5: Solve for x
   x = 5,855,200,392.79/71,730.17
6. Step 6: Final answer
   x = 81,628.15