Finding the Fourth Proportional to 10,773.74, 14,834 and 9,789.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,773.74 : 14,834 = 9,789.56 : x
2. Step 2: Convert to fraction form
   10,773.74/14,834 = 9,789.56/x
3. Step 3: Cross multiply
   10,773.74x = 14,834 × 9,789.56
4. Step 4: Simplify right side
   10,773.74x = 145,218,333.04
5. Step 5: Solve for x
   x = 145,218,333.04/10,773.74
6. Step 6: Final answer
   x = 13,478.92