Finding the Fourth Proportional to 5,300.28, 7,947.75 and 2,179.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.28 : 7,947.75 = 2,179.42 : x
2. Step 2: Convert to fraction form
   5,300.28/7,947.75 = 2,179.42/x
3. Step 3: Cross multiply
   5,300.28x = 7,947.75 × 2,179.42
4. Step 4: Simplify right side
   5,300.28x = 17,321,445.57
5. Step 5: Solve for x
   x = 17,321,445.57/5,300.28
6. Step 6: Final answer
   x = 3,268.02