Finding the Fourth Proportional to 1,744.71, 2,407.36 and 1,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.71 : 2,407.36 = 1,081.72 : x
2. Step 2: Convert to fraction form
   1,744.71/2,407.36 = 1,081.72/x
3. Step 3: Cross multiply
   1,744.71x = 2,407.36 × 1,081.72
4. Step 4: Simplify right side
   1,744.71x = 2,604,089.46
5. Step 5: Solve for x
   x = 2,604,089.46/1,744.71
6. Step 6: Final answer
   x = 1,492.57