Finding the Fourth Proportional to 1,878.47, 2,591.72 and 1,132.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.47 : 2,591.72 = 1,132.25 : x
2. Step 2: Convert to fraction form
   1,878.47/2,591.72 = 1,132.25/x
3. Step 3: Cross multiply
   1,878.47x = 2,591.72 × 1,132.25
4. Step 4: Simplify right side
   1,878.47x = 2,934,475.79
5. Step 5: Solve for x
   x = 2,934,475.79/1,878.47
6. Step 6: Final answer
   x = 1,562.17