Finding the Fourth Proportional to 16,642.55, 22,966.82 and 9,088.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,642.55 : 22,966.82 = 9,088.79 : x
2. Step 2: Convert to fraction form
   16,642.55/22,966.82 = 9,088.79/x
3. Step 3: Cross multiply
   16,642.55x = 22,966.82 × 9,088.79
4. Step 4: Simplify right side
   16,642.55x = 208,740,603.95
5. Step 5: Solve for x
   x = 208,740,603.95/16,642.55
6. Step 6: Final answer
   x = 12,542.59