Finding the Fourth Proportional to 9,969.62, 13,758.02 and 5,493.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.62 : 13,758.02 = 5,493.35 : x
2. Step 2: Convert to fraction form
   9,969.62/13,758.02 = 5,493.35/x
3. Step 3: Cross multiply
   9,969.62x = 13,758.02 × 5,493.35
4. Step 4: Simplify right side
   9,969.62x = 75,577,522.91
5. Step 5: Solve for x
   x = 75,577,522.91/9,969.62
6. Step 6: Final answer
   x = 7,580.79