Finding the Fourth Proportional to 7,052.86, 9,732.72 and 3,909.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,052.86 : 9,732.72 = 3,909.16 : x
2. Step 2: Convert to fraction form
   7,052.86/9,732.72 = 3,909.16/x
3. Step 3: Cross multiply
   7,052.86x = 9,732.72 × 3,909.16
4. Step 4: Simplify right side
   7,052.86x = 38,046,759.72
5. Step 5: Solve for x
   x = 38,046,759.72/7,052.86
6. Step 6: Final answer
   x = 5,394.52