Finding the Fourth Proportional to 2,895.78, 4,343.91 and 947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.78 : 4,343.91 = 947.94 : x
2. Step 2: Convert to fraction form
   2,895.78/4,343.91 = 947.94/x
3. Step 3: Cross multiply
   2,895.78x = 4,343.91 × 947.94
4. Step 4: Simplify right side
   2,895.78x = 4,117,766.05
5. Step 5: Solve for x
   x = 4,117,766.05/2,895.78
6. Step 6: Final answer
   x = 1,421.99