Finding the Fourth Proportional to 9,039.28, 12,472.77 and 5,060.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.28 : 12,472.77 = 5,060.56 : x
2. Step 2: Convert to fraction form
   9,039.28/12,472.77 = 5,060.56/x
3. Step 3: Cross multiply
   9,039.28x = 12,472.77 × 5,060.56
4. Step 4: Simplify right side
   9,039.28x = 63,119,200.95
5. Step 5: Solve for x
   x = 63,119,200.95/9,039.28
6. Step 6: Final answer
   x = 6,982.77