Finding the Fourth Proportional to 2,499.48, 3,449.34 and 1,505.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.48 : 3,449.34 = 1,505.16 : x
2. Step 2: Convert to fraction form
   2,499.48/3,449.34 = 1,505.16/x
3. Step 3: Cross multiply
   2,499.48x = 3,449.34 × 1,505.16
4. Step 4: Simplify right side
   2,499.48x = 5,191,808.59
5. Step 5: Solve for x
   x = 5,191,808.59/2,499.48
6. Step 6: Final answer
   x = 2,077.16