Finding the Fourth Proportional to 9,926.48, 13,698.72 and 5,450.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.48 : 13,698.72 = 5,450.42 : x
2. Step 2: Convert to fraction form
   9,926.48/13,698.72 = 5,450.42/x
3. Step 3: Cross multiply
   9,926.48x = 13,698.72 × 5,450.42
4. Step 4: Simplify right side
   9,926.48x = 74,663,708.97
5. Step 5: Solve for x
   x = 74,663,708.97/9,926.48
6. Step 6: Final answer
   x = 7,521.67