Finding the Fourth Proportional to 1,373.82, 2,059.78 and 725.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.82 : 2,059.78 = 725.01 : x
2. Step 2: Convert to fraction form
   1,373.82/2,059.78 = 725.01/x
3. Step 3: Cross multiply
   1,373.82x = 2,059.78 × 725.01
4. Step 4: Simplify right side
   1,373.82x = 1,493,361.10
5. Step 5: Solve for x
   x = 1,493,361.10/1,373.82
6. Step 6: Final answer
   x = 1,087.01