Finding the Fourth Proportional to 2,617.86, 3,612.64 and 1,498.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.86 : 3,612.64 = 1,498.78 : x
2. Step 2: Convert to fraction form
   2,617.86/3,612.64 = 1,498.78/x
3. Step 3: Cross multiply
   2,617.86x = 3,612.64 × 1,498.78
4. Step 4: Simplify right side
   2,617.86x = 5,414,539.80
5. Step 5: Solve for x
   x = 5,414,539.80/2,617.86
6. Step 6: Final answer
   x = 2,068.31