Finding the Fourth Proportional to 5,851.89, 8,778.38 and 1,956.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,851.89 : 8,778.38 = 1,956.87 : x
2. Step 2: Convert to fraction form
   5,851.89/8,778.38 = 1,956.87/x
3. Step 3: Cross multiply
   5,851.89x = 8,778.38 × 1,956.87
4. Step 4: Simplify right side
   5,851.89x = 17,178,138.69
5. Step 5: Solve for x
   x = 17,178,138.69/5,851.89
6. Step 6: Final answer
   x = 2,935.49