Finding the Fourth Proportional to 17,166.07, 23,686.43 and 9,612.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,166.07 : 23,686.43 = 9,612.72 : x
2. Step 2: Convert to fraction form
   17,166.07/23,686.43 = 9,612.72/x
3. Step 3: Cross multiply
   17,166.07x = 23,686.43 × 9,612.72
4. Step 4: Simplify right side
   17,166.07x = 227,691,043.42
5. Step 5: Solve for x
   x = 227,691,043.42/17,166.07
6. Step 6: Final answer
   x = 13,264.02