Finding the Fourth Proportional to 17,432.96, 26,152.92 and 9,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,432.96 : 26,152.92 = 9,116.72 : x
2. Step 2: Convert to fraction form
   17,432.96/26,152.92 = 9,116.72/x
3. Step 3: Cross multiply
   17,432.96x = 26,152.92 × 9,116.72
4. Step 4: Simplify right side
   17,432.96x = 238,428,848.82
5. Step 5: Solve for x
   x = 238,428,848.82/17,432.96
6. Step 6: Final answer
   x = 13,676.90