Finding the Fourth Proportional to 4,947.40, 7,416.06 and 2,755.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,947.40 : 7,416.06 = 2,755.72 : x
2. Step 2: Convert to fraction form
   4,947.40/7,416.06 = 2,755.72/x
3. Step 3: Cross multiply
   4,947.40x = 7,416.06 × 2,755.72
4. Step 4: Simplify right side
   4,947.40x = 20,436,584.86
5. Step 5: Solve for x
   x = 20,436,584.86/4,947.40
6. Step 6: Final answer
   x = 4,130.77