Finding the Fourth Proportional to 1,454.18, 2,002.59 and 1,011.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.18 : 2,002.59 = 1,011.29 : x
2. Step 2: Convert to fraction form
   1,454.18/2,002.59 = 1,011.29/x
3. Step 3: Cross multiply
   1,454.18x = 2,002.59 × 1,011.29
4. Step 4: Simplify right side
   1,454.18x = 2,025,189.23
5. Step 5: Solve for x
   x = 2,025,189.23/1,454.18
6. Step 6: Final answer
   x = 1,392.67