Finding the Fourth Proportional to 9,469.79, 13,068.32 and 5,493.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.79 : 13,068.32 = 5,493.21 : x
2. Step 2: Convert to fraction form
   9,469.79/13,068.32 = 5,493.21/x
3. Step 3: Cross multiply
   9,469.79x = 13,068.32 × 5,493.21
4. Step 4: Simplify right side
   9,469.79x = 71,786,998.64
5. Step 5: Solve for x
   x = 71,786,998.64/9,469.79
6. Step 6: Final answer
   x = 7,580.64