Finding the Fourth Proportional to 67,424.52, 101,103.50 and 20,666.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,424.52 : 101,103.50 = 20,666.12 : x
2. Step 2: Convert to fraction form
   67,424.52/101,103.50 = 20,666.12/x
3. Step 3: Cross multiply
   67,424.52x = 101,103.50 × 20,666.12
4. Step 4: Simplify right side
   67,424.52x = 2,089,417,063.42
5. Step 5: Solve for x
   x = 2,089,417,063.42/67,424.52
6. Step 6: Final answer
   x = 30,988.98