Finding the Fourth Proportional to 16,615.71, 22,929.28 and 9,541.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,615.71 : 22,929.28 = 9,541.98 : x
2. Step 2: Convert to fraction form
   16,615.71/22,929.28 = 9,541.98/x
3. Step 3: Cross multiply
   16,615.71x = 22,929.28 × 9,541.98
4. Step 4: Simplify right side
   16,615.71x = 218,790,707.32
5. Step 5: Solve for x
   x = 218,790,707.32/16,615.71
6. Step 6: Final answer
   x = 13,167.70