Finding the Fourth Proportional to 2,789.40, 3,847.76 and 2,314.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.40 : 3,847.76 = 2,314.58 : x
2. Step 2: Convert to fraction form
   2,789.40/3,847.76 = 2,314.58/x
3. Step 3: Cross multiply
   2,789.40x = 3,847.76 × 2,314.58
4. Step 4: Simplify right side
   2,789.40x = 8,905,948.34
5. Step 5: Solve for x
   x = 8,905,948.34/2,789.40
6. Step 6: Final answer
   x = 3,192.78