Finding the Fourth Proportional to 1,650.72, 2,476.51 and 726.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.72 : 2,476.51 = 726.46 : x
2. Step 2: Convert to fraction form
   1,650.72/2,476.51 = 726.46/x
3. Step 3: Cross multiply
   1,650.72x = 2,476.51 × 726.46
4. Step 4: Simplify right side
   1,650.72x = 1,799,085.45
5. Step 5: Solve for x
   x = 1,799,085.45/1,650.72
6. Step 6: Final answer
   x = 1,089.88