Finding the Fourth Proportional to 4,100.28, 6,150.17 and 1,326.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,100.28 : 6,150.17 = 1,326.72 : x
2. Step 2: Convert to fraction form
   4,100.28/6,150.17 = 1,326.72/x
3. Step 3: Cross multiply
   4,100.28x = 6,150.17 × 1,326.72
4. Step 4: Simplify right side
   4,100.28x = 8,159,546.91
5. Step 5: Solve for x
   x = 8,159,546.91/4,100.28
6. Step 6: Final answer
   x = 1,990.00