Finding the Fourth Proportional to 1,882.32, 2,821.94 and 787.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,882.32 : 2,821.94 = 787.48 : x
2. Step 2: Convert to fraction form
   1,882.32/2,821.94 = 787.48/x
3. Step 3: Cross multiply
   1,882.32x = 2,821.94 × 787.48
4. Step 4: Simplify right side
   1,882.32x = 2,222,221.31
5. Step 5: Solve for x
   x = 2,222,221.31/1,882.32
6. Step 6: Final answer
   x = 1,180.58