Finding the Fourth Proportional to 71,815.77, 99,013.13 and 58,846.83

Step by Step Solution

1. Step 1: Write the proportion equation
   71,815.77 : 99,013.13 = 58,846.83 : x
2. Step 2: Convert to fraction form
   71,815.77/99,013.13 = 58,846.83/x
3. Step 3: Cross multiply
   71,815.77x = 99,013.13 × 58,846.83
4. Step 4: Simplify right side
   71,815.77x = 5,826,608,828.88
5. Step 5: Solve for x
   x = 5,826,608,828.88/71,815.77
6. Step 6: Final answer
   x = 81,132.72