Finding the Fourth Proportional to 9,969.70, 13,758.01 and 5,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.70 : 13,758.01 = 5,493.48 : x
2. Step 2: Convert to fraction form
   9,969.70/13,758.01 = 5,493.48/x
3. Step 3: Cross multiply
   9,969.70x = 13,758.01 × 5,493.48
4. Step 4: Simplify right side
   9,969.70x = 75,579,352.77
5. Step 5: Solve for x
   x = 75,579,352.77/9,969.70
6. Step 6: Final answer
   x = 7,580.91