Finding the Fourth Proportional to 7,061.18, 9,744.53 and 3,874.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.18 : 9,744.53 = 3,874.79 : x
2. Step 2: Convert to fraction form
   7,061.18/9,744.53 = 3,874.79/x
3. Step 3: Cross multiply
   7,061.18x = 9,744.53 × 3,874.79
4. Step 4: Simplify right side
   7,061.18x = 37,758,015.91
5. Step 5: Solve for x
   x = 37,758,015.91/7,061.18
6. Step 6: Final answer
   x = 5,347.27