Finding the Fourth Proportional to 12,632.32, 17,423.20 and 9,274.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632.32 : 17,423.20 = 9,274.08 : x
2. Step 2: Convert to fraction form
   12,632.32/17,423.20 = 9,274.08/x
3. Step 3: Cross multiply
   12,632.32x = 17,423.20 × 9,274.08
4. Step 4: Simplify right side
   12,632.32x = 161,584,150.66
5. Step 5: Solve for x
   x = 161,584,150.66/12,632.32
6. Step 6: Final answer
   x = 12,791.33