Finding the Fourth Proportional to 1,848.91, 2,550.15 and 1,139.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,848.91 : 2,550.15 = 1,139.82 : x
2. Step 2: Convert to fraction form
   1,848.91/2,550.15 = 1,139.82/x
3. Step 3: Cross multiply
   1,848.91x = 2,550.15 × 1,139.82
4. Step 4: Simplify right side
   1,848.91x = 2,906,716.75
5. Step 5: Solve for x
   x = 2,906,716.75/1,848.91
6. Step 6: Final answer
   x = 1,572.13