Finding the Fourth Proportional to 3,499.28, 5,250.20 and 1,674

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.28 : 5,250.20 = 1,674 : x
2. Step 2: Convert to fraction form
   3,499.28/5,250.20 = 1,674/x
3. Step 3: Cross multiply
   3,499.28x = 5,250.20 × 1,674
4. Step 4: Simplify right side
   3,499.28x = 8,788,834.80
5. Step 5: Solve for x
   x = 8,788,834.80/3,499.28
6. Step 6: Final answer
   x = 2,511.61