Finding the Fourth Proportional to 10,011.43, 13,821.06 and 7,768.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,011.43 : 13,821.06 = 7,768.27 : x
2. Step 2: Convert to fraction form
   10,011.43/13,821.06 = 7,768.27/x
3. Step 3: Cross multiply
   10,011.43x = 13,821.06 × 7,768.27
4. Step 4: Simplify right side
   10,011.43x = 107,365,725.77
5. Step 5: Solve for x
   x = 107,365,725.77/10,011.43
6. Step 6: Final answer
   x = 10,724.31