Finding the Fourth Proportional to 1,522.89, 2,284.32 and 1,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.89 : 2,284.32 = 1,176.72 : x
2. Step 2: Convert to fraction form
   1,522.89/2,284.32 = 1,176.72/x
3. Step 3: Cross multiply
   1,522.89x = 2,284.32 × 1,176.72
4. Step 4: Simplify right side
   1,522.89x = 2,688,005.03
5. Step 5: Solve for x
   x = 2,688,005.03/1,522.89
6. Step 6: Final answer
   x = 1,765.07