Finding the Fourth Proportional to 7,061.50, 9,744.88 and 3,917.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.50 : 9,744.88 = 3,917.69 : x
2. Step 2: Convert to fraction form
   7,061.50/9,744.88 = 3,917.69/x
3. Step 3: Cross multiply
   7,061.50x = 9,744.88 × 3,917.69
4. Step 4: Simplify right side
   7,061.50x = 38,177,418.93
5. Step 5: Solve for x
   x = 38,177,418.93/7,061.50
6. Step 6: Final answer
   x = 5,406.42