Finding the Fourth Proportional to 11,472.10, 15,827.61 and 7,282.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,472.10 : 15,827.61 = 7,282.78 : x
2. Step 2: Convert to fraction form
   11,472.10/15,827.61 = 7,282.78/x
3. Step 3: Cross multiply
   11,472.10x = 15,827.61 × 7,282.78
4. Step 4: Simplify right side
   11,472.10x = 115,269,001.56
5. Step 5: Solve for x
   x = 115,269,001.56/11,472.10
6. Step 6: Final answer
   x = 10,047.77