Finding the Fourth Proportional to 1,416.46, 1,954.83 and 787.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.46 : 1,954.83 = 787.05 : x
2. Step 2: Convert to fraction form
   1,416.46/1,954.83 = 787.05/x
3. Step 3: Cross multiply
   1,416.46x = 1,954.83 × 787.05
4. Step 4: Simplify right side
   1,416.46x = 1,538,548.95
5. Step 5: Solve for x
   x = 1,538,548.95/1,416.46
6. Step 6: Final answer
   x = 1,086.19