Finding the Fourth Proportional to 12,031.28, 16,602.86 and 6,726.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,031.28 : 16,602.86 = 6,726.59 : x
2. Step 2: Convert to fraction form
   12,031.28/16,602.86 = 6,726.59/x
3. Step 3: Cross multiply
   12,031.28x = 16,602.86 × 6,726.59
4. Step 4: Simplify right side
   12,031.28x = 111,680,515.40
5. Step 5: Solve for x
   x = 111,680,515.40/12,031.28
6. Step 6: Final answer
   x = 9,282.52