Finding the Fourth Proportional to 2,633.32, 3,944.22 and 1,861.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.32 : 3,944.22 = 1,861.48 : x
2. Step 2: Convert to fraction form
   2,633.32/3,944.22 = 1,861.48/x
3. Step 3: Cross multiply
   2,633.32x = 3,944.22 × 1,861.48
4. Step 4: Simplify right side
   2,633.32x = 7,342,086.65
5. Step 5: Solve for x
   x = 7,342,086.65/2,633.32
6. Step 6: Final answer
   x = 2,788.15