Finding the Fourth Proportional to 1,341.72, 2,016.10 and 725.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.72 : 2,016.10 = 725.84 : x
2. Step 2: Convert to fraction form
   1,341.72/2,016.10 = 725.84/x
3. Step 3: Cross multiply
   1,341.72x = 2,016.10 × 725.84
4. Step 4: Simplify right side
   1,341.72x = 1,463,366.02
5. Step 5: Solve for x
   x = 1,463,366.02/1,341.72
6. Step 6: Final answer
   x = 1,090.66