Finding the Fourth Proportional to 7,081.38, 9,772.56 and 3,937.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,081.38 : 9,772.56 = 3,937.50 : x
2. Step 2: Convert to fraction form
   7,081.38/9,772.56 = 3,937.50/x
3. Step 3: Cross multiply
   7,081.38x = 9,772.56 × 3,937.50
4. Step 4: Simplify right side
   7,081.38x = 38,479,455
5. Step 5: Solve for x
   x = 38,479,455/7,081.38
6. Step 6: Final answer
   x = 5,433.89