Finding the Fourth Proportional to 1,824.80, 2,517.89 and 1,038.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824.80 : 2,517.89 = 1,038.69 : x
2. Step 2: Convert to fraction form
   1,824.80/2,517.89 = 1,038.69/x
3. Step 3: Cross multiply
   1,824.80x = 2,517.89 × 1,038.69
4. Step 4: Simplify right side
   1,824.80x = 2,615,301.97
5. Step 5: Solve for x
   x = 2,615,301.97/1,824.80
6. Step 6: Final answer
   x = 1,433.20