Finding the Fourth Proportional to 2,530.59, 3,797.60 and 887.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.59 : 3,797.60 = 887.15 : x
2. Step 2: Convert to fraction form
   2,530.59/3,797.60 = 887.15/x
3. Step 3: Cross multiply
   2,530.59x = 3,797.60 × 887.15
4. Step 4: Simplify right side
   2,530.59x = 3,369,036.40
5. Step 5: Solve for x
   x = 3,369,036.40/2,530.59
6. Step 6: Final answer
   x = 1,331.32