Finding the Fourth Proportional to 17,680.52, 26,523.86 and 7,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.52 : 26,523.86 = 7,150.12 : x
2. Step 2: Convert to fraction form
   17,680.52/26,523.86 = 7,150.12/x
3. Step 3: Cross multiply
   17,680.52x = 26,523.86 × 7,150.12
4. Step 4: Simplify right side
   17,680.52x = 189,648,679.80
5. Step 5: Solve for x
   x = 189,648,679.80/17,680.52
6. Step 6: Final answer
   x = 10,726.42