Finding the Fourth Proportional to 1,076.76, 1,617.98 and 590.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.76 : 1,617.98 = 590.15 : x
2. Step 2: Convert to fraction form
   1,076.76/1,617.98 = 590.15/x
3. Step 3: Cross multiply
   1,076.76x = 1,617.98 × 590.15
4. Step 4: Simplify right side
   1,076.76x = 954,851.99
5. Step 5: Solve for x
   x = 954,851.99/1,076.76
6. Step 6: Final answer
   x = 886.78