Finding the Fourth Proportional to 4,978.92, 7,469.94 and 2,058.60

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.92 : 7,469.94 = 2,058.60 : x
2. Step 2: Convert to fraction form
   4,978.92/7,469.94 = 2,058.60/x
3. Step 3: Cross multiply
   4,978.92x = 7,469.94 × 2,058.60
4. Step 4: Simplify right side
   4,978.92x = 15,377,618.48
5. Step 5: Solve for x
   x = 15,377,618.48/4,978.92
6. Step 6: Final answer
   x = 3,088.55