Finding the Fourth Proportional to 7,061.25, 9,744.51 and 3,917.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.25 : 9,744.51 = 3,917.43 : x
2. Step 2: Convert to fraction form
   7,061.25/9,744.51 = 3,917.43/x
3. Step 3: Cross multiply
   7,061.25x = 9,744.51 × 3,917.43
4. Step 4: Simplify right side
   7,061.25x = 38,173,435.81
5. Step 5: Solve for x
   x = 38,173,435.81/7,061.25
6. Step 6: Final answer
   x = 5,406.05