Finding the Fourth Proportional to 1,079.73, 1,490.00 and 786.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.73 : 1,490.00 = 786.24 : x
2. Step 2: Convert to fraction form
   1,079.73/1,490.00 = 786.24/x
3. Step 3: Cross multiply
   1,079.73x = 1,490.00 × 786.24
4. Step 4: Simplify right side
   1,079.73x = 1,171,493.67
5. Step 5: Solve for x
   x = 1,171,493.67/1,079.73
6. Step 6: Final answer
   x = 1,084.99