Finding the Fourth Proportional to 9,362.67, 12,921.78 and 5,383.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.67 : 12,921.78 = 5,383.71 : x
2. Step 2: Convert to fraction form
   9,362.67/12,921.78 = 5,383.71/x
3. Step 3: Cross multiply
   9,362.67x = 12,921.78 × 5,383.71
4. Step 4: Simplify right side
   9,362.67x = 69,567,116.20
5. Step 5: Solve for x
   x = 69,567,116.20/9,362.67
6. Step 6: Final answer
   x = 7,430.26