Finding the Fourth Proportional to 2,538.45, 3,503.03 and 1,490.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.45 : 3,503.03 = 1,490.55 : x
2. Step 2: Convert to fraction form
   2,538.45/3,503.03 = 1,490.55/x
3. Step 3: Cross multiply
   2,538.45x = 3,503.03 × 1,490.55
4. Step 4: Simplify right side
   2,538.45x = 5,221,433.91
5. Step 5: Solve for x
   x = 5,221,433.91/2,538.45
6. Step 6: Final answer
   x = 2,056.94