Finding the Fourth Proportional to 2,087.78, 2,881.23 and 1,156.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.78 : 2,881.23 = 1,156.28 : x
2. Step 2: Convert to fraction form
   2,087.78/2,881.23 = 1,156.28/x
3. Step 3: Cross multiply
   2,087.78x = 2,881.23 × 1,156.28
4. Step 4: Simplify right side
   2,087.78x = 3,331,508.62
5. Step 5: Solve for x
   x = 3,331,508.62/2,087.78
6. Step 6: Final answer
   x = 1,595.72