Finding the Fourth Proportional to 1,883.54, 2,599.15 and 1,086.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,883.54 : 2,599.15 = 1,086.86 : x
2. Step 2: Convert to fraction form
   1,883.54/2,599.15 = 1,086.86/x
3. Step 3: Cross multiply
   1,883.54x = 2,599.15 × 1,086.86
4. Step 4: Simplify right side
   1,883.54x = 2,824,912.17
5. Step 5: Solve for x
   x = 2,824,912.17/1,883.54
6. Step 6: Final answer
   x = 1,499.79