Finding the Fourth Proportional to 9,792.80, 14,679.34 and 5,631.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.80 : 14,679.34 = 5,631.56 : x
2. Step 2: Convert to fraction form
   9,792.80/14,679.34 = 5,631.56/x
3. Step 3: Cross multiply
   9,792.80x = 14,679.34 × 5,631.56
4. Step 4: Simplify right side
   9,792.80x = 82,667,482.42
5. Step 5: Solve for x
   x = 82,667,482.42/9,792.80
6. Step 6: Final answer
   x = 8,441.66