Finding the Fourth Proportional to 9,710.48, 13,401.60 and 5,519.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.48 : 13,401.60 = 5,519.36 : x
2. Step 2: Convert to fraction form
   9,710.48/13,401.60 = 5,519.36/x
3. Step 3: Cross multiply
   9,710.48x = 13,401.60 × 5,519.36
4. Step 4: Simplify right side
   9,710.48x = 73,968,254.98
5. Step 5: Solve for x
   x = 73,968,254.98/9,710.48
6. Step 6: Final answer
   x = 7,617.36