Finding the Fourth Proportional to 2,358.08, 3,254.60 and 1,561.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358.08 : 3,254.60 = 1,561.42 : x
2. Step 2: Convert to fraction form
   2,358.08/3,254.60 = 1,561.42/x
3. Step 3: Cross multiply
   2,358.08x = 3,254.60 × 1,561.42
4. Step 4: Simplify right side
   2,358.08x = 5,081,797.53
5. Step 5: Solve for x
   x = 5,081,797.53/2,358.08
6. Step 6: Final answer
   x = 2,155.06