Finding the Fourth Proportional to 9,662.63, 13,334.42 and 5,470.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.63 : 13,334.42 = 5,470.88 : x
2. Step 2: Convert to fraction form
   9,662.63/13,334.42 = 5,470.88/x
3. Step 3: Cross multiply
   9,662.63x = 13,334.42 × 5,470.88
4. Step 4: Simplify right side
   9,662.63x = 72,950,958.69
5. Step 5: Solve for x
   x = 72,950,958.69/9,662.63
6. Step 6: Final answer
   x = 7,549.81