Finding the Fourth Proportional to 1,522.89, 2,283.75 and 792.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.89 : 2,283.75 = 792.72 : x
2. Step 2: Convert to fraction form
   1,522.89/2,283.75 = 792.72/x
3. Step 3: Cross multiply
   1,522.89x = 2,283.75 × 792.72
4. Step 4: Simplify right side
   1,522.89x = 1,810,374.30
5. Step 5: Solve for x
   x = 1,810,374.30/1,522.89
6. Step 6: Final answer
   x = 1,188.78