Finding the Fourth Proportional to 4,766.58, 7,109.69 and 4,620.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,766.58 : 7,109.69 = 4,620.78 : x
2. Step 2: Convert to fraction form
   4,766.58/7,109.69 = 4,620.78/x
3. Step 3: Cross multiply
   4,766.58x = 7,109.69 × 4,620.78
4. Step 4: Simplify right side
   4,766.58x = 32,852,290.25
5. Step 5: Solve for x
   x = 32,852,290.25/4,766.58
6. Step 6: Final answer
   x = 6,892.21