Finding the Fourth Proportional to 5,337.72, 7,365.96 and 2,947.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,337.72 : 7,365.96 = 2,947.72 : x
2. Step 2: Convert to fraction form
   5,337.72/7,365.96 = 2,947.72/x
3. Step 3: Cross multiply
   5,337.72x = 7,365.96 × 2,947.72
4. Step 4: Simplify right side
   5,337.72x = 21,712,787.61
5. Step 5: Solve for x
   x = 21,712,787.61/5,337.72
6. Step 6: Final answer
   x = 4,067.80