Finding the Fourth Proportional to 2,532.72, 3,800.77 and 889.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,532.72 : 3,800.77 = 889.28 : x
2. Step 2: Convert to fraction form
   2,532.72/3,800.77 = 889.28/x
3. Step 3: Cross multiply
   2,532.72x = 3,800.77 × 889.28
4. Step 4: Simplify right side
   2,532.72x = 3,379,948.75
5. Step 5: Solve for x
   x = 3,379,948.75/2,532.72
6. Step 6: Final answer
   x = 1,334.51