Finding the Fourth Proportional to 9,764.82, 14,649.26 and 3,921.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,764.82 : 14,649.26 = 3,921.89 : x
2. Step 2: Convert to fraction form
   9,764.82/14,649.26 = 3,921.89/x
3. Step 3: Cross multiply
   9,764.82x = 14,649.26 × 3,921.89
4. Step 4: Simplify right side
   9,764.82x = 57,452,693.45
5. Step 5: Solve for x
   x = 57,452,693.45/9,764.82
6. Step 6: Final answer
   x = 5,883.64