Finding the Fourth Proportional to 5,304.72, 7,320.51 and 2,947.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,304.72 : 7,320.51 = 2,947.08 : x
2. Step 2: Convert to fraction form
   5,304.72/7,320.51 = 2,947.08/x
3. Step 3: Cross multiply
   5,304.72x = 7,320.51 × 2,947.08
4. Step 4: Simplify right side
   5,304.72x = 21,574,128.61
5. Step 5: Solve for x
   x = 21,574,128.61/5,304.72
6. Step 6: Final answer
   x = 4,066.97