Finding the Fourth Proportional to 23,152.79, 34,730.72 and 9,111.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,152.79 : 34,730.72 = 9,111.71 : x
2. Step 2: Convert to fraction form
   23,152.79/34,730.72 = 9,111.71/x
3. Step 3: Cross multiply
   23,152.79x = 34,730.72 × 9,111.71
4. Step 4: Simplify right side
   23,152.79x = 316,456,248.73
5. Step 5: Solve for x
   x = 316,456,248.73/23,152.79
6. Step 6: Final answer
   x = 13,668.17