Finding the Fourth Proportional to 52,650.96, 72,658.16 and 28,777.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,650.96 : 72,658.16 = 28,777.62 : x
2. Step 2: Convert to fraction form
   52,650.96/72,658.16 = 28,777.62/x
3. Step 3: Cross multiply
   52,650.96x = 72,658.16 × 28,777.62
4. Step 4: Simplify right side
   52,650.96x = 2,090,928,918.38
5. Step 5: Solve for x
   x = 2,090,928,918.38/52,650.96
6. Step 6: Final answer
   x = 39,713.03