Finding the Fourth Proportional to 1,882.78, 2,598.05 and 1,086.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,882.78 : 2,598.05 = 1,086.23 : x
2. Step 2: Convert to fraction form
   1,882.78/2,598.05 = 1,086.23/x
3. Step 3: Cross multiply
   1,882.78x = 2,598.05 × 1,086.23
4. Step 4: Simplify right side
   1,882.78x = 2,822,074.42
5. Step 5: Solve for x
   x = 2,822,074.42/1,882.78
6. Step 6: Final answer
   x = 1,498.89