Finding the Fourth Proportional to 3,507.92, 5,256.56 and 1,561.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507.92 : 5,256.56 = 1,561.52 : x
2. Step 2: Convert to fraction form
   3,507.92/5,256.56 = 1,561.52/x
3. Step 3: Cross multiply
   3,507.92x = 5,256.56 × 1,561.52
4. Step 4: Simplify right side
   3,507.92x = 8,208,223.57
5. Step 5: Solve for x
   x = 8,208,223.57/3,507.92
6. Step 6: Final answer
   x = 2,339.91