Finding the Fourth Proportional to 1,826.15, 2,520.01 and 1,029.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.15 : 2,520.01 = 1,029.55 : x
2. Step 2: Convert to fraction form
   1,826.15/2,520.01 = 1,029.55/x
3. Step 3: Cross multiply
   1,826.15x = 2,520.01 × 1,029.55
4. Step 4: Simplify right side
   1,826.15x = 2,594,476.30
5. Step 5: Solve for x
   x = 2,594,476.30/1,826.15
6. Step 6: Final answer
   x = 1,420.74