Finding the Fourth Proportional to 9,428.22, 13,010.67 and 5,450.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,428.22 : 13,010.67 = 5,450.58 : x
2. Step 2: Convert to fraction form
   9,428.22/13,010.67 = 5,450.58/x
3. Step 3: Cross multiply
   9,428.22x = 13,010.67 × 5,450.58
4. Step 4: Simplify right side
   9,428.22x = 70,915,697.69
5. Step 5: Solve for x
   x = 70,915,697.69/9,428.22
6. Step 6: Final answer
   x = 7,521.64