Finding the Fourth Proportional to 9,881.89, 14,819.72 and 3,306.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,881.89 : 14,819.72 = 3,306.51 : x
2. Step 2: Convert to fraction form
   9,881.89/14,819.72 = 3,306.51/x
3. Step 3: Cross multiply
   9,881.89x = 14,819.72 × 3,306.51
4. Step 4: Simplify right side
   9,881.89x = 49,001,535.84
5. Step 5: Solve for x
   x = 49,001,535.84/9,881.89
6. Step 6: Final answer
   x = 4,958.72