Finding the Fourth Proportional to 9,969.57, 13,758.17 and 5,493.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.57 : 13,758.17 = 5,493.26 : x
2. Step 2: Convert to fraction form
   9,969.57/13,758.17 = 5,493.26/x
3. Step 3: Cross multiply
   9,969.57x = 13,758.17 × 5,493.26
4. Step 4: Simplify right side
   9,969.57x = 75,577,204.93
5. Step 5: Solve for x
   x = 75,577,204.93/9,969.57
6. Step 6: Final answer
   x = 7,580.79