Finding the Fourth Proportional to 1,883.46, 2,598.84 and 1,086.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,883.46 : 2,598.84 = 1,086.60 : x
2. Step 2: Convert to fraction form
   1,883.46/2,598.84 = 1,086.60/x
3. Step 3: Cross multiply
   1,883.46x = 2,598.84 × 1,086.60
4. Step 4: Simplify right side
   1,883.46x = 2,823,889.27
5. Step 5: Solve for x
   x = 2,823,889.27/1,883.46
6. Step 6: Final answer
   x = 1,499.31