Finding the Fourth Proportional to 9,713.09, 13,404.02 and 5,521.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,713.09 : 13,404.02 = 5,521.34 : x
2. Step 2: Convert to fraction form
   9,713.09/13,404.02 = 5,521.34/x
3. Step 3: Cross multiply
   9,713.09x = 13,404.02 × 5,521.34
4. Step 4: Simplify right side
   9,713.09x = 74,008,057.16
5. Step 5: Solve for x
   x = 74,008,057.16/9,713.09
6. Step 6: Final answer
   x = 7,619.42