Finding the Fourth Proportional to 1,865.52, 2,574.42 and 1,026.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.52 : 2,574.42 = 1,026.24 : x
2. Step 2: Convert to fraction form
   1,865.52/2,574.42 = 1,026.24/x
3. Step 3: Cross multiply
   1,865.52x = 2,574.42 × 1,026.24
4. Step 4: Simplify right side
   1,865.52x = 2,641,972.78
5. Step 5: Solve for x
   x = 2,641,972.78/1,865.52
6. Step 6: Final answer
   x = 1,416.21