Finding the Fourth Proportional to 52,393.55, 72,303.37 and 28,520.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,393.55 : 72,303.37 = 28,520.42 : x
2. Step 2: Convert to fraction form
   52,393.55/72,303.37 = 28,520.42/x
3. Step 3: Cross multiply
   52,393.55x = 72,303.37 × 28,520.42
4. Step 4: Simplify right side
   52,393.55x = 2,062,122,047.00
5. Step 5: Solve for x
   x = 2,062,122,047.00/52,393.55
6. Step 6: Final answer
   x = 39,358.32