Finding the Fourth Proportional to 9,759.56, 14,642.10 and 3,920.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,759.56 : 14,642.10 = 3,920.27 : x
2. Step 2: Convert to fraction form
   9,759.56/14,642.10 = 3,920.27/x
3. Step 3: Cross multiply
   9,759.56x = 14,642.10 × 3,920.27
4. Step 4: Simplify right side
   9,759.56x = 57,400,912.16
5. Step 5: Solve for x
   x = 57,400,912.16/9,759.56
6. Step 6: Final answer
   x = 5,881.51