Finding the Fourth Proportional to 4,947.76, 7,425.94 and 3,102.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,947.76 : 7,425.94 = 3,102.48 : x
2. Step 2: Convert to fraction form
   4,947.76/7,425.94 = 3,102.48/x
3. Step 3: Cross multiply
   4,947.76x = 7,425.94 × 3,102.48
4. Step 4: Simplify right side
   4,947.76x = 23,038,830.33
5. Step 5: Solve for x
   x = 23,038,830.33/4,947.76
6. Step 6: Final answer
   x = 4,656.42