Finding the Fourth Proportional to 7,074.86, 9,763.50 and 3,888.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,074.86 : 9,763.50 = 3,888.25 : x
2. Step 2: Convert to fraction form
   7,074.86/9,763.50 = 3,888.25/x
3. Step 3: Cross multiply
   7,074.86x = 9,763.50 × 3,888.25
4. Step 4: Simplify right side
   7,074.86x = 37,962,902.68
5. Step 5: Solve for x
   x = 37,962,902.68/7,074.86
6. Step 6: Final answer
   x = 5,365.89