Finding the Fourth Proportional to 2,359.06, 3,255.66 and 1,561.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.06 : 3,255.66 = 1,561.01 : x
2. Step 2: Convert to fraction form
   2,359.06/3,255.66 = 1,561.01/x
3. Step 3: Cross multiply
   2,359.06x = 3,255.66 × 1,561.01
4. Step 4: Simplify right side
   2,359.06x = 5,082,101.54
5. Step 5: Solve for x
   x = 5,082,101.54/2,359.06
6. Step 6: Final answer
   x = 2,154.29