Finding the Fourth Proportional to 31,500.48, 43,396.71 and 21,923.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,500.48 : 43,396.71 = 21,923.94 : x
2. Step 2: Convert to fraction form
   31,500.48/43,396.71 = 21,923.94/x
3. Step 3: Cross multiply
   31,500.48x = 43,396.71 × 21,923.94
4. Step 4: Simplify right side
   31,500.48x = 951,426,866.24
5. Step 5: Solve for x
   x = 951,426,866.24/31,500.48
6. Step 6: Final answer
   x = 30,203.57