Finding the Fourth Proportional to 2,617.88, 3,612.78 and 1,499

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.88 : 3,612.78 = 1,499 : x
2. Step 2: Convert to fraction form
   2,617.88/3,612.78 = 1,499/x
3. Step 3: Cross multiply
   2,617.88x = 3,612.78 × 1,499
4. Step 4: Simplify right side
   2,617.88x = 5,415,557.22
5. Step 5: Solve for x
   x = 5,415,557.22/2,617.88
6. Step 6: Final answer
   x = 2,068.68