Finding the Fourth Proportional to 67,392.54, 101,071.50 and 19,996.42

Step by Step Solution

1. Step 1: Write the proportion equation
   67,392.54 : 101,071.50 = 19,996.42 : x
2. Step 2: Convert to fraction form
   67,392.54/101,071.50 = 19,996.42/x
3. Step 3: Cross multiply
   67,392.54x = 101,071.50 × 19,996.42
4. Step 4: Simplify right side
   67,392.54x = 2,021,068,164.03
5. Step 5: Solve for x
   x = 2,021,068,164.03/67,392.54
6. Step 6: Final answer
   x = 29,989.49