Finding the Fourth Proportional to 1,417.04, 1,955.49 and 787.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.04 : 1,955.49 = 787.55 : x
2. Step 2: Convert to fraction form
   1,417.04/1,955.49 = 787.55/x
3. Step 3: Cross multiply
   1,417.04x = 1,955.49 × 787.55
4. Step 4: Simplify right side
   1,417.04x = 1,540,049.94
5. Step 5: Solve for x
   x = 1,540,049.94/1,417.04
6. Step 6: Final answer
   x = 1,086.81