Finding the Fourth Proportional to 2,498.77, 3,445.75 and 1,503.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.77 : 3,445.75 = 1,503.85 : x
2. Step 2: Convert to fraction form
   2,498.77/3,445.75 = 1,503.85/x
3. Step 3: Cross multiply
   2,498.77x = 3,445.75 × 1,503.85
4. Step 4: Simplify right side
   2,498.77x = 5,181,891.14
5. Step 5: Solve for x
   x = 5,181,891.14/2,498.77
6. Step 6: Final answer
   x = 2,073.78