Finding the Fourth Proportional to 16,233.61, 22,402.40 and 9,160.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,233.61 : 22,402.40 = 9,160.69 : x
2. Step 2: Convert to fraction form
   16,233.61/22,402.40 = 9,160.69/x
3. Step 3: Cross multiply
   16,233.61x = 22,402.40 × 9,160.69
4. Step 4: Simplify right side
   16,233.61x = 205,221,441.66
5. Step 5: Solve for x
   x = 205,221,441.66/16,233.61
6. Step 6: Final answer
   x = 12,641.76