Finding the Fourth Proportional to 1,879.74, 2,591.96 and 1,401.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,879.74 : 2,591.96 = 1,401.32 : x
2. Step 2: Convert to fraction form
   1,879.74/2,591.96 = 1,401.32/x
3. Step 3: Cross multiply
   1,879.74x = 2,591.96 × 1,401.32
4. Step 4: Simplify right side
   1,879.74x = 3,632,164.86
5. Step 5: Solve for x
   x = 3,632,164.86/1,879.74
6. Step 6: Final answer
   x = 1,932.27