Finding the Fourth Proportional to 31,841.72, 43,941.77 and 19,912.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,841.72 : 43,941.77 = 19,912.04 : x
2. Step 2: Convert to fraction form
   31,841.72/43,941.77 = 19,912.04/x
3. Step 3: Cross multiply
   31,841.72x = 43,941.77 × 19,912.04
4. Step 4: Simplify right side
   31,841.72x = 874,970,281.91
5. Step 5: Solve for x
   x = 874,970,281.91/31,841.72
6. Step 6: Final answer
   x = 27,478.74