Finding the Fourth Proportional to 2,369.45, 3,554.31 and 726.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.45 : 3,554.31 = 726.01 : x
2. Step 2: Convert to fraction form
   2,369.45/3,554.31 = 726.01/x
3. Step 3: Cross multiply
   2,369.45x = 3,554.31 × 726.01
4. Step 4: Simplify right side
   2,369.45x = 2,580,478.43
5. Step 5: Solve for x
   x = 2,580,478.43/2,369.45
6. Step 6: Final answer
   x = 1,089.06