Finding the Fourth Proportional to 7,061.48, 9,744.39 and 3,917.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.48 : 9,744.39 = 3,917.88 : x
2. Step 2: Convert to fraction form
   7,061.48/9,744.39 = 3,917.88/x
3. Step 3: Cross multiply
   7,061.48x = 9,744.39 × 3,917.88
4. Step 4: Simplify right side
   7,061.48x = 38,177,350.69
5. Step 5: Solve for x
   x = 38,177,350.69/7,061.48
6. Step 6: Final answer
   x = 5,406.42