Finding the Fourth Proportional to 9,926.52, 13,699.10 and 5,450.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.52 : 13,699.10 = 5,450.22 : x
2. Step 2: Convert to fraction form
   9,926.52/13,699.10 = 5,450.22/x
3. Step 3: Cross multiply
   9,926.52x = 13,699.10 × 5,450.22
4. Step 4: Simplify right side
   9,926.52x = 74,663,081.55
5. Step 5: Solve for x
   x = 74,663,081.55/9,926.52
6. Step 6: Final answer
   x = 7,521.58