Finding the Fourth Proportional to 71,354.38, 107,027.46 and 21,433.37

Step by Step Solution

1. Step 1: Write the proportion equation
   71,354.38 : 107,027.46 = 21,433.37 : x
2. Step 2: Convert to fraction form
   71,354.38/107,027.46 = 21,433.37/x
3. Step 3: Cross multiply
   71,354.38x = 107,027.46 × 21,433.37
4. Step 4: Simplify right side
   71,354.38x = 2,293,959,150.34
5. Step 5: Solve for x
   x = 2,293,959,150.34/71,354.38
6. Step 6: Final answer
   x = 32,148.82