Finding the Fourth Proportional to 2,159.14, 3,238.82 and 925.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.14 : 3,238.82 = 925.69 : x
2. Step 2: Convert to fraction form
   2,159.14/3,238.82 = 925.69/x
3. Step 3: Cross multiply
   2,159.14x = 3,238.82 × 925.69
4. Step 4: Simplify right side
   2,159.14x = 2,998,143.29
5. Step 5: Solve for x
   x = 2,998,143.29/2,159.14
6. Step 6: Final answer
   x = 1,388.58