Finding the Fourth Proportional to 1,540.29, 2,124.41 and 1,008.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.29 : 2,124.41 = 1,008.59 : x
2. Step 2: Convert to fraction form
   1,540.29/2,124.41 = 1,008.59/x
3. Step 3: Cross multiply
   1,540.29x = 2,124.41 × 1,008.59
4. Step 4: Simplify right side
   1,540.29x = 2,142,643.02
5. Step 5: Solve for x
   x = 2,142,643.02/1,540.29
6. Step 6: Final answer
   x = 1,391.06