Finding the Fourth Proportional to 59,002.14, 81,343.32 and 57,167.58

Step by Step Solution

1. Step 1: Write the proportion equation
   59,002.14 : 81,343.32 = 57,167.58 : x
2. Step 2: Convert to fraction form
   59,002.14/81,343.32 = 57,167.58/x
3. Step 3: Cross multiply
   59,002.14x = 81,343.32 × 57,167.58
4. Step 4: Simplify right side
   59,002.14x = 4,650,200,753.57
5. Step 5: Solve for x
   x = 4,650,200,753.57/59,002.14
6. Step 6: Final answer
   x = 78,814.10