Finding the Fourth Proportional to 2,369.72, 3,554.43 and 725.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.72 : 3,554.43 = 725.98 : x
2. Step 2: Convert to fraction form
   2,369.72/3,554.43 = 725.98/x
3. Step 3: Cross multiply
   2,369.72x = 3,554.43 × 725.98
4. Step 4: Simplify right side
   2,369.72x = 2,580,444.23
5. Step 5: Solve for x
   x = 2,580,444.23/2,369.72
6. Step 6: Final answer
   x = 1,088.92