Finding the Fourth Proportional to 6,726.50, 10,089.72 and 1,728.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,726.50 : 10,089.72 = 1,728.86 : x
2. Step 2: Convert to fraction form
   6,726.50/10,089.72 = 1,728.86/x
3. Step 3: Cross multiply
   6,726.50x = 10,089.72 × 1,728.86
4. Step 4: Simplify right side
   6,726.50x = 17,443,713.32
5. Step 5: Solve for x
   x = 17,443,713.32/6,726.50
6. Step 6: Final answer
   x = 2,593.28