Finding the Fourth Proportional to 1,417.37, 1,955.91 and 787.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.37 : 1,955.91 = 787.94 : x
2. Step 2: Convert to fraction form
   1,417.37/1,955.91 = 787.94/x
3. Step 3: Cross multiply
   1,417.37x = 1,955.91 × 787.94
4. Step 4: Simplify right side
   1,417.37x = 1,541,139.73
5. Step 5: Solve for x
   x = 1,541,139.73/1,417.37
6. Step 6: Final answer
   x = 1,087.32