Finding the Fourth Proportional to 10,647.76, 14,692.68 and 5,931.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.76 : 14,692.68 = 5,931.28 : x
2. Step 2: Convert to fraction form
   10,647.76/14,692.68 = 5,931.28/x
3. Step 3: Cross multiply
   10,647.76x = 14,692.68 × 5,931.28
4. Step 4: Simplify right side
   10,647.76x = 87,146,399.03
5. Step 5: Solve for x
   x = 87,146,399.03/10,647.76
6. Step 6: Final answer
   x = 8,184.48