Finding the Fourth Proportional to 3,510.72, 5,261.76 and 1,775.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.72 : 5,261.76 = 1,775.52 : x
2. Step 2: Convert to fraction form
   3,510.72/5,261.76 = 1,775.52/x
3. Step 3: Cross multiply
   3,510.72x = 5,261.76 × 1,775.52
4. Step 4: Simplify right side
   3,510.72x = 9,342,360.12
5. Step 5: Solve for x
   x = 9,342,360.12/3,510.72
6. Step 6: Final answer
   x = 2,661.10