Finding the Fourth Proportional to 11,862.88, 16,366.02 and 7,146.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,862.88 : 16,366.02 = 7,146.52 : x
2. Step 2: Convert to fraction form
   11,862.88/16,366.02 = 7,146.52/x
3. Step 3: Cross multiply
   11,862.88x = 16,366.02 × 7,146.52
4. Step 4: Simplify right side
   11,862.88x = 116,960,089.25
5. Step 5: Solve for x
   x = 116,960,089.25/11,862.88
6. Step 6: Final answer
   x = 9,859.33