Finding the Fourth Proportional to 9,926.46, 13,698.57 and 5,450.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.46 : 13,698.57 = 5,450.58 : x
2. Step 2: Convert to fraction form
   9,926.46/13,698.57 = 5,450.58/x
3. Step 3: Cross multiply
   9,926.46x = 13,698.57 × 5,450.58
4. Step 4: Simplify right side
   9,926.46x = 74,665,151.67
5. Step 5: Solve for x
   x = 74,665,151.67/9,926.46
6. Step 6: Final answer
   x = 7,521.83