Finding the Fourth Proportional to 31,843.50, 43,950.52 and 21,799.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,843.50 : 43,950.52 = 21,799.70 : x
2. Step 2: Convert to fraction form
   31,843.50/43,950.52 = 21,799.70/x
3. Step 3: Cross multiply
   31,843.50x = 43,950.52 × 21,799.70
4. Step 4: Simplify right side
   31,843.50x = 958,108,150.84
5. Step 5: Solve for x
   x = 958,108,150.84/31,843.50
6. Step 6: Final answer
   x = 30,088.03