Finding the Fourth Proportional to 2,499.63, 3,449.61 and 1,505.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.63 : 3,449.61 = 1,505.22 : x
2. Step 2: Convert to fraction form
   2,499.63/3,449.61 = 1,505.22/x
3. Step 3: Cross multiply
   2,499.63x = 3,449.61 × 1,505.22
4. Step 4: Simplify right side
   2,499.63x = 5,192,421.96
5. Step 5: Solve for x
   x = 5,192,421.96/2,499.63
6. Step 6: Final answer
   x = 2,077.28