Finding the Fourth Proportional to 2,093.32, 3,139.34 and 725

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.32 : 3,139.34 = 725 : x
2. Step 2: Convert to fraction form
   2,093.32/3,139.34 = 725/x
3. Step 3: Cross multiply
   2,093.32x = 3,139.34 × 725
4. Step 4: Simplify right side
   2,093.32x = 2,276,021.50
5. Step 5: Solve for x
   x = 2,276,021.50/2,093.32
6. Step 6: Final answer
   x = 1,087.28