Finding the Fourth Proportional to 59,178.17, 81,499.92 and 58,993.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,178.17 : 81,499.92 = 58,993.64 : x
2. Step 2: Convert to fraction form
   59,178.17/81,499.92 = 58,993.64/x
3. Step 3: Cross multiply
   59,178.17x = 81,499.92 × 58,993.64
4. Step 4: Simplify right side
   59,178.17x = 4,807,977,178.47
5. Step 5: Solve for x
   x = 4,807,977,178.47/59,178.17
6. Step 6: Final answer
   x = 81,245.79