Finding the Fourth Proportional to 2,856.34, 3,940.95 and 1,794.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.34 : 3,940.95 = 1,794.22 : x
2. Step 2: Convert to fraction form
   2,856.34/3,940.95 = 1,794.22/x
3. Step 3: Cross multiply
   2,856.34x = 3,940.95 × 1,794.22
4. Step 4: Simplify right side
   2,856.34x = 7,070,931.31
5. Step 5: Solve for x
   x = 7,070,931.31/2,856.34
6. Step 6: Final answer
   x = 2,475.52