Finding the Fourth Proportional to 5,006.80, 7,498.05 and 4,788.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,006.80 : 7,498.05 = 4,788.10 : x
2. Step 2: Convert to fraction form
   5,006.80/7,498.05 = 4,788.10/x
3. Step 3: Cross multiply
   5,006.80x = 7,498.05 × 4,788.10
4. Step 4: Simplify right side
   5,006.80x = 35,901,413.21
5. Step 5: Solve for x
   x = 35,901,413.21/5,006.80
6. Step 6: Final answer
   x = 7,170.53