Finding the Fourth Proportional to 2,087.92, 2,881.29 and 1,156.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.92 : 2,881.29 = 1,156.42 : x
2. Step 2: Convert to fraction form
   2,087.92/2,881.29 = 1,156.42/x
3. Step 3: Cross multiply
   2,087.92x = 2,881.29 × 1,156.42
4. Step 4: Simplify right side
   2,087.92x = 3,331,981.38
5. Step 5: Solve for x
   x = 3,331,981.38/2,087.92
6. Step 6: Final answer
   x = 1,595.84