Finding the Fourth Proportional to 1,342.61, 2,014.32 and 726.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.61 : 2,014.32 = 726.15 : x
2. Step 2: Convert to fraction form
   1,342.61/2,014.32 = 726.15/x
3. Step 3: Cross multiply
   1,342.61x = 2,014.32 × 726.15
4. Step 4: Simplify right side
   1,342.61x = 1,462,701.83
5. Step 5: Solve for x
   x = 1,462,701.83/1,342.61
6. Step 6: Final answer
   x = 1,089.44