Finding the Fourth Proportional to 67,447.08, 101,178.72 and 20,693.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,447.08 : 101,178.72 = 20,693.88 : x
2. Step 2: Convert to fraction form
   67,447.08/101,178.72 = 20,693.88/x
3. Step 3: Cross multiply
   67,447.08x = 101,178.72 × 20,693.88
4. Step 4: Simplify right side
   67,447.08x = 2,093,780,290.23
5. Step 5: Solve for x
   x = 2,093,780,290.23/67,447.08
6. Step 6: Final answer
   x = 31,043.31