Finding the Fourth Proportional to 67,426.02, 101,158.47 and 20,685.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,426.02 : 101,158.47 = 20,685.78 : x
2. Step 2: Convert to fraction form
   67,426.02/101,158.47 = 20,685.78/x
3. Step 3: Cross multiply
   67,426.02x = 101,158.47 × 20,685.78
4. Step 4: Simplify right side
   67,426.02x = 2,092,541,855.56
5. Step 5: Solve for x
   x = 2,092,541,855.56/67,426.02
6. Step 6: Final answer
   x = 31,034.63