Finding the Fourth Proportional to 7,074.52, 9,762.81 and 3,930.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,074.52 : 9,762.81 = 3,930.71 : x
2. Step 2: Convert to fraction form
   7,074.52/9,762.81 = 3,930.71/x
3. Step 3: Cross multiply
   7,074.52x = 9,762.81 × 3,930.71
4. Step 4: Simplify right side
   7,074.52x = 38,374,733.45
5. Step 5: Solve for x
   x = 38,374,733.45/7,074.52
6. Step 6: Final answer
   x = 5,424.36