Finding the Fourth Proportional to 31,550.31, 43,544.15 and 20,232.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,550.31 : 43,544.15 = 20,232.59 : x
2. Step 2: Convert to fraction form
   31,550.31/43,544.15 = 20,232.59/x
3. Step 3: Cross multiply
   31,550.31x = 43,544.15 × 20,232.59
4. Step 4: Simplify right side
   31,550.31x = 881,010,690.84
5. Step 5: Solve for x
   x = 881,010,690.84/31,550.31
6. Step 6: Final answer
   x = 27,923.99