Finding the Fourth Proportional to 52,422.96, 72,344.54 and 28,550.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,422.96 : 72,344.54 = 28,550.10 : x
2. Step 2: Convert to fraction form
   52,422.96/72,344.54 = 28,550.10/x
3. Step 3: Cross multiply
   52,422.96x = 72,344.54 × 28,550.10
4. Step 4: Simplify right side
   52,422.96x = 2,065,443,851.45
5. Step 5: Solve for x
   x = 2,065,443,851.45/52,422.96
6. Step 6: Final answer
   x = 39,399.60