Finding the Fourth Proportional to 52,417.89, 72,338.01 and 28,545.87

Step by Step Solution

1. Step 1: Write the proportion equation
   52,417.89 : 72,338.01 = 28,545.87 : x
2. Step 2: Convert to fraction form
   52,417.89/72,338.01 = 28,545.87/x
3. Step 3: Cross multiply
   52,417.89x = 72,338.01 × 28,545.87
4. Step 4: Simplify right side
   52,417.89x = 2,064,951,429.52
5. Step 5: Solve for x
   x = 2,064,951,429.52/52,417.89
6. Step 6: Final answer
   x = 39,394.02