Finding the Fourth Proportional to 31,793.43, 43,875.23 and 19,863.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,793.43 : 43,875.23 = 19,863.69 : x
2. Step 2: Convert to fraction form
   31,793.43/43,875.23 = 19,863.69/x
3. Step 3: Cross multiply
   31,793.43x = 43,875.23 × 19,863.69
4. Step 4: Simplify right side
   31,793.43x = 871,523,967.40
5. Step 5: Solve for x
   x = 871,523,967.40/31,793.43
6. Step 6: Final answer
   x = 27,412.08