Finding the Fourth Proportional to 13,332.38, 19,995.50 and 3,971.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,332.38 : 19,995.50 = 3,971.55 : x
2. Step 2: Convert to fraction form
   13,332.38/19,995.50 = 3,971.55/x
3. Step 3: Cross multiply
   13,332.38x = 19,995.50 × 3,971.55
4. Step 4: Simplify right side
   13,332.38x = 79,413,108.17
5. Step 5: Solve for x
   x = 79,413,108.17/13,332.38
6. Step 6: Final answer
   x = 5,956.41