Finding the Fourth Proportional to 6,392.79, 8,801.06 and 5,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,392.79 : 8,801.06 = 5,769.50 : x
2. Step 2: Convert to fraction form
   6,392.79/8,801.06 = 5,769.50/x
3. Step 3: Cross multiply
   6,392.79x = 8,801.06 × 5,769.50
4. Step 4: Simplify right side
   6,392.79x = 50,777,642.82
5. Step 5: Solve for x
   x = 50,777,642.82/6,392.79
6. Step 6: Final answer
   x = 7,942.95