Finding the Fourth Proportional to 9,321.50, 13,971.98 and 3,771.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,321.50 : 13,971.98 = 3,771.38 : x
2. Step 2: Convert to fraction form
   9,321.50/13,971.98 = 3,771.38/x
3. Step 3: Cross multiply
   9,321.50x = 13,971.98 × 3,771.38
4. Step 4: Simplify right side
   9,321.50x = 52,693,645.93
5. Step 5: Solve for x
   x = 52,693,645.93/9,321.50
6. Step 6: Final answer
   x = 5,652.91