Finding the Fourth Proportional to 2,061.76, 3,091.24 and 762.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.76 : 3,091.24 = 762.52 : x
2. Step 2: Convert to fraction form
   2,061.76/3,091.24 = 762.52/x
3. Step 3: Cross multiply
   2,061.76x = 3,091.24 × 762.52
4. Step 4: Simplify right side
   2,061.76x = 2,357,132.32
5. Step 5: Solve for x
   x = 2,357,132.32/2,061.76
6. Step 6: Final answer
   x = 1,143.26