Finding the Fourth Proportional to 71,818.77, 99,017.27 and 58,849.83

Step by Step Solution

1. Step 1: Write the proportion equation
   71,818.77 : 99,017.27 = 58,849.83 : x
2. Step 2: Convert to fraction form
   71,818.77/99,017.27 = 58,849.83/x
3. Step 3: Cross multiply
   71,818.77x = 99,017.27 × 58,849.83
4. Step 4: Simplify right side
   71,818.77x = 5,827,149,506.56
5. Step 5: Solve for x
   x = 5,827,149,506.56/71,818.77
6. Step 6: Final answer
   x = 81,136.86