Finding the Fourth Proportional to 11,882.79, 17,814.16 and 7,490.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,882.79 : 17,814.16 = 7,490.57 : x
2. Step 2: Convert to fraction form
   11,882.79/17,814.16 = 7,490.57/x
3. Step 3: Cross multiply
   11,882.79x = 17,814.16 × 7,490.57
4. Step 4: Simplify right side
   11,882.79x = 133,438,123.40
5. Step 5: Solve for x
   x = 133,438,123.40/11,882.79
6. Step 6: Final answer
   x = 11,229.53