Finding the Fourth Proportional to 9,763.72, 14,646.27 and 3,920.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,763.72 : 14,646.27 = 3,920.33 : x
2. Step 2: Convert to fraction form
   9,763.72/14,646.27 = 3,920.33/x
3. Step 3: Cross multiply
   9,763.72x = 14,646.27 × 3,920.33
4. Step 4: Simplify right side
   9,763.72x = 57,418,233.58
5. Step 5: Solve for x
   x = 57,418,233.58/9,763.72
6. Step 6: Final answer
   x = 5,880.77