Finding the Fourth Proportional to 14,429.56, 19,912.66 and 7,805.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,429.56 : 19,912.66 = 7,805.56 : x
2. Step 2: Convert to fraction form
   14,429.56/19,912.66 = 7,805.56/x
3. Step 3: Cross multiply
   14,429.56x = 19,912.66 × 7,805.56
4. Step 4: Simplify right side
   14,429.56x = 155,429,462.39
5. Step 5: Solve for x
   x = 155,429,462.39/14,429.56
6. Step 6: Final answer
   x = 10,771.60