Finding the Fourth Proportional to 7,061.40, 9,744.84 and 3,917.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.40 : 9,744.84 = 3,917.34 : x
2. Step 2: Convert to fraction form
   7,061.40/9,744.84 = 3,917.34/x
3. Step 3: Cross multiply
   7,061.40x = 9,744.84 × 3,917.34
4. Step 4: Simplify right side
   7,061.40x = 38,173,851.53
5. Step 5: Solve for x
   x = 38,173,851.53/7,061.40
6. Step 6: Final answer
   x = 5,405.99