Finding the Fourth Proportional to 2,499.66, 3,449.58 and 1,617.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.66 : 3,449.58 = 1,617.00 : x
2. Step 2: Convert to fraction form
   2,499.66/3,449.58 = 1,617.00/x
3. Step 3: Cross multiply
   2,499.66x = 3,449.58 × 1,617.00
4. Step 4: Simplify right side
   2,499.66x = 5,577,985.51
5. Step 5: Solve for x
   x = 5,577,985.51/2,499.66
6. Step 6: Final answer
   x = 2,231.50