Finding the Fourth Proportional to 1,610.33, 2,414.52 and 787.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.33 : 2,414.52 = 787.55 : x
2. Step 2: Convert to fraction form
   1,610.33/2,414.52 = 787.55/x
3. Step 3: Cross multiply
   1,610.33x = 2,414.52 × 787.55
4. Step 4: Simplify right side
   1,610.33x = 1,901,543.15
5. Step 5: Solve for x
   x = 1,901,543.15/1,610.33
6. Step 6: Final answer
   x = 1,180.84