Finding the Fourth Proportional to 10,692.48, 14,757.12 and 7,717.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,692.48 : 14,757.12 = 7,717.92 : x
2. Step 2: Convert to fraction form
   10,692.48/14,757.12 = 7,717.92/x
3. Step 3: Cross multiply
   10,692.48x = 14,757.12 × 7,717.92
4. Step 4: Simplify right side
   10,692.48x = 113,894,271.59
5. Step 5: Solve for x
   x = 113,894,271.59/10,692.48
6. Step 6: Final answer
   x = 10,651.81