Finding the Fourth Proportional to 52,422.95, 72,344.54 and 28,550.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,422.95 : 72,344.54 = 28,550.09 : x
2. Step 2: Convert to fraction form
   52,422.95/72,344.54 = 28,550.09/x
3. Step 3: Cross multiply
   52,422.95x = 72,344.54 × 28,550.09
4. Step 4: Simplify right side
   52,422.95x = 2,065,443,128.01
5. Step 5: Solve for x
   x = 2,065,443,128.01/52,422.95
6. Step 6: Final answer
   x = 39,399.60