Finding the Fourth Proportional to 2,369.89, 3,554.98 and 726.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.89 : 3,554.98 = 726.45 : x
2. Step 2: Convert to fraction form
   2,369.89/3,554.98 = 726.45/x
3. Step 3: Cross multiply
   2,369.89x = 3,554.98 × 726.45
4. Step 4: Simplify right side
   2,369.89x = 2,582,515.22
5. Step 5: Solve for x
   x = 2,582,515.22/2,369.89
6. Step 6: Final answer
   x = 1,089.72