Finding the Fourth Proportional to 9,630.72, 14,430.72 and 5,529.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,630.72 : 14,430.72 = 5,529.60 : x
2. Step 2: Convert to fraction form
   9,630.72/14,430.72 = 5,529.60/x
3. Step 3: Cross multiply
   9,630.72x = 14,430.72 × 5,529.60
4. Step 4: Simplify right side
   9,630.72x = 79,796,109.31
5. Step 5: Solve for x
   x = 79,796,109.31/9,630.72
6. Step 6: Final answer
   x = 8,285.58