Finding the Fourth Proportional to 2,087.34, 2,880.27 and 1,156.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.34 : 2,880.27 = 1,156.02 : x
2. Step 2: Convert to fraction form
   2,087.34/2,880.27 = 1,156.02/x
3. Step 3: Cross multiply
   2,087.34x = 2,880.27 × 1,156.02
4. Step 4: Simplify right side
   2,087.34x = 3,329,649.73
5. Step 5: Solve for x
   x = 3,329,649.73/2,087.34
6. Step 6: Final answer
   x = 1,595.16