Finding the Fourth Proportional to 17,126.16, 23,630.76 and 9,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,126.16 : 23,630.76 = 9,672.72 : x
2. Step 2: Convert to fraction form
   17,126.16/23,630.76 = 9,672.72/x
3. Step 3: Cross multiply
   17,126.16x = 23,630.76 × 9,672.72
4. Step 4: Simplify right side
   17,126.16x = 228,573,724.87
5. Step 5: Solve for x
   x = 228,573,724.87/17,126.16
6. Step 6: Final answer
   x = 13,346.47