Finding the Fourth Proportional to 1,878.62, 2,591.39 and 1,132.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.62 : 2,591.39 = 1,132.10 : x
2. Step 2: Convert to fraction form
   1,878.62/2,591.39 = 1,132.10/x
3. Step 3: Cross multiply
   1,878.62x = 2,591.39 × 1,132.10
4. Step 4: Simplify right side
   1,878.62x = 2,933,712.62
5. Step 5: Solve for x
   x = 2,933,712.62/1,878.62
6. Step 6: Final answer
   x = 1,561.64