Finding the Fourth Proportional to 59,315.52, 81,419.36 and 52,450.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,315.52 : 81,419.36 = 52,450.72 : x
2. Step 2: Convert to fraction form
   59,315.52/81,419.36 = 52,450.72/x
3. Step 3: Cross multiply
   59,315.52x = 81,419.36 × 52,450.72
4. Step 4: Simplify right side
   59,315.52x = 4,270,504,053.94
5. Step 5: Solve for x
   x = 4,270,504,053.94/59,315.52
6. Step 6: Final answer
   x = 71,996.40