Finding the Fourth Proportional to 9,963.30, 13,748.48 and 5,487.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,963.30 : 13,748.48 = 5,487.24 : x
2. Step 2: Convert to fraction form
   9,963.30/13,748.48 = 5,487.24/x
3. Step 3: Cross multiply
   9,963.30x = 13,748.48 × 5,487.24
4. Step 4: Simplify right side
   9,963.30x = 75,441,284.96
5. Step 5: Solve for x
   x = 75,441,284.96/9,963.30
6. Step 6: Final answer
   x = 7,571.91