Finding the Fourth Proportional to 2,498.52, 3,746.70 and 1,328.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.52 : 3,746.70 = 1,328.25 : x
2. Step 2: Convert to fraction form
   2,498.52/3,746.70 = 1,328.25/x
3. Step 3: Cross multiply
   2,498.52x = 3,746.70 × 1,328.25
4. Step 4: Simplify right side
   2,498.52x = 4,976,554.28
5. Step 5: Solve for x
   x = 4,976,554.28/2,498.52
6. Step 6: Final answer
   x = 1,991.80