Finding the Fourth Proportional to 2,527.29, 3,790.89 and 772.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.29 : 3,790.89 = 772.29 : x
2. Step 2: Convert to fraction form
   2,527.29/3,790.89 = 772.29/x
3. Step 3: Cross multiply
   2,527.29x = 3,790.89 × 772.29
4. Step 4: Simplify right side
   2,527.29x = 2,927,666.44
5. Step 5: Solve for x
   x = 2,927,666.44/2,527.29
6. Step 6: Final answer
   x = 1,158.42