Finding the Fourth Proportional to 9,457.38, 13,050.62 and 5,478.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,457.38 : 13,050.62 = 5,478.22 : x
2. Step 2: Convert to fraction form
   9,457.38/13,050.62 = 5,478.22/x
3. Step 3: Cross multiply
   9,457.38x = 13,050.62 × 5,478.22
4. Step 4: Simplify right side
   9,457.38x = 71,494,167.50
5. Step 5: Solve for x
   x = 71,494,167.50/9,457.38
6. Step 6: Final answer
   x = 7,559.62