Finding the Fourth Proportional to 1,417.38, 1,955.98 and 787.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.38 : 1,955.98 = 787.88 : x
2. Step 2: Convert to fraction form
   1,417.38/1,955.98 = 787.88/x
3. Step 3: Cross multiply
   1,417.38x = 1,955.98 × 787.88
4. Step 4: Simplify right side
   1,417.38x = 1,541,077.52
5. Step 5: Solve for x
   x = 1,541,077.52/1,417.38
6. Step 6: Final answer
   x = 1,087.27