Finding the Fourth Proportional to 31,233.34, 43,133.50 and 19,908.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,233.34 : 43,133.50 = 19,908.18 : x
2. Step 2: Convert to fraction form
   31,233.34/43,133.50 = 19,908.18/x
3. Step 3: Cross multiply
   31,233.34x = 43,133.50 × 19,908.18
4. Step 4: Simplify right side
   31,233.34x = 858,709,166.82
5. Step 5: Solve for x
   x = 858,709,166.82/31,233.34
6. Step 6: Final answer
   x = 27,493.35