Finding the Fourth Proportional to 52,437.89, 72,363.91 and 28,564.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,437.89 : 72,363.91 = 28,564.56 : x
2. Step 2: Convert to fraction form
   52,437.89/72,363.91 = 28,564.56/x
3. Step 3: Cross multiply
   52,437.89x = 72,363.91 × 28,564.56
4. Step 4: Simplify right side
   52,437.89x = 2,067,043,280.72
5. Step 5: Solve for x
   x = 2,067,043,280.72/52,437.89
6. Step 6: Final answer
   x = 39,418.89