Finding the Fourth Proportional to 1,450.83, 2,002.15 and 787.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,450.83 : 2,002.15 = 787.69 : x
2. Step 2: Convert to fraction form
   1,450.83/2,002.15 = 787.69/x
3. Step 3: Cross multiply
   1,450.83x = 2,002.15 × 787.69
4. Step 4: Simplify right side
   1,450.83x = 1,577,065.76
5. Step 5: Solve for x
   x = 1,577,065.76/1,450.83
6. Step 6: Final answer
   x = 1,087.01