Finding the Fourth Proportional to 1,522.88, 2,283.24 and 791.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.88 : 2,283.24 = 791.72 : x
2. Step 2: Convert to fraction form
   1,522.88/2,283.24 = 791.72/x
3. Step 3: Cross multiply
   1,522.88x = 2,283.24 × 791.72
4. Step 4: Simplify right side
   1,522.88x = 1,807,686.77
5. Step 5: Solve for x
   x = 1,807,686.77/1,522.88
6. Step 6: Final answer
   x = 1,187.02