Finding the Fourth Proportional to 2,499.49, 3,449.32 and 1,505.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.49 : 3,449.32 = 1,505.43 : x
2. Step 2: Convert to fraction form
   2,499.49/3,449.32 = 1,505.43/x
3. Step 3: Cross multiply
   2,499.49x = 3,449.32 × 1,505.43
4. Step 4: Simplify right side
   2,499.49x = 5,192,702.28
5. Step 5: Solve for x
   x = 5,192,702.28/2,499.49
6. Step 6: Final answer
   x = 2,077.50