Finding the Fourth Proportional to 7,061.80, 9,743.82 and 3,917.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.80 : 9,743.82 = 3,917.32 : x
2. Step 2: Convert to fraction form
   7,061.80/9,743.82 = 3,917.32/x
3. Step 3: Cross multiply
   7,061.80x = 9,743.82 × 3,917.32
4. Step 4: Simplify right side
   7,061.80x = 38,169,660.96
5. Step 5: Solve for x
   x = 38,169,660.96/7,061.80
6. Step 6: Final answer
   x = 5,405.09