Finding the Fourth Proportional to 9,819.78, 14,710.48 and 7,849.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.78 : 14,710.48 = 7,849.56 : x
2. Step 2: Convert to fraction form
   9,819.78/14,710.48 = 7,849.56/x
3. Step 3: Cross multiply
   9,819.78x = 14,710.48 × 7,849.56
4. Step 4: Simplify right side
   9,819.78x = 115,470,721.84
5. Step 5: Solve for x
   x = 115,470,721.84/9,819.78
6. Step 6: Final answer
   x = 11,758.99