Finding the Fourth Proportional to 2,088.57, 2,882.22 and 1,157.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.57 : 2,882.22 = 1,157.07 : x
2. Step 2: Convert to fraction form
   2,088.57/2,882.22 = 1,157.07/x
3. Step 3: Cross multiply
   2,088.57x = 2,882.22 × 1,157.07
4. Step 4: Simplify right side
   2,088.57x = 3,334,930.30
5. Step 5: Solve for x
   x = 3,334,930.30/2,088.57
6. Step 6: Final answer
   x = 1,596.75