Finding the Fourth Proportional to 1,374.82, 2,061.28 and 726.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.82 : 2,061.28 = 726.01 : x
2. Step 2: Convert to fraction form
   1,374.82/2,061.28 = 726.01/x
3. Step 3: Cross multiply
   1,374.82x = 2,061.28 × 726.01
4. Step 4: Simplify right side
   1,374.82x = 1,496,509.89
5. Step 5: Solve for x
   x = 1,496,509.89/1,374.82
6. Step 6: Final answer
   x = 1,088.51