Finding the Fourth Proportional to 52,465.07, 72,399.69 and 28,591.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,465.07 : 72,399.69 = 28,591.24 : x
2. Step 2: Convert to fraction form
   52,465.07/72,399.69 = 28,591.24/x
3. Step 3: Cross multiply
   52,465.07x = 72,399.69 × 28,591.24
4. Step 4: Simplify right side
   52,465.07x = 2,069,996,912.72
5. Step 5: Solve for x
   x = 2,069,996,912.72/52,465.07
6. Step 6: Final answer
   x = 39,454.76