Finding the Fourth Proportional to 2,617.80, 3,612.64 and 1,498.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.80 : 3,612.64 = 1,498.64 : x
2. Step 2: Convert to fraction form
   2,617.80/3,612.64 = 1,498.64/x
3. Step 3: Cross multiply
   2,617.80x = 3,612.64 × 1,498.64
4. Step 4: Simplify right side
   2,617.80x = 5,414,046.81
5. Step 5: Solve for x
   x = 5,414,046.81/2,617.80
6. Step 6: Final answer
   x = 2,068.17