Finding the Fourth Proportional to 31,397.48, 43,310.50 and 19,601

Step by Step Solution

1. Step 1: Write the proportion equation
   31,397.48 : 43,310.50 = 19,601 : x
2. Step 2: Convert to fraction form
   31,397.48/43,310.50 = 19,601/x
3. Step 3: Cross multiply
   31,397.48x = 43,310.50 × 19,601
4. Step 4: Simplify right side
   31,397.48x = 848,929,110.50
5. Step 5: Solve for x
   x = 848,929,110.50/31,397.48
6. Step 6: Final answer
   x = 27,038.13