Finding the Fourth Proportional to 67,478.68, 101,279.72 and 34,221.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,478.68 : 101,279.72 = 34,221.68 : x
2. Step 2: Convert to fraction form
   67,478.68/101,279.72 = 34,221.68/x
3. Step 3: Cross multiply
   67,478.68x = 101,279.72 × 34,221.68
4. Step 4: Simplify right side
   67,478.68x = 3,465,962,168.33
5. Step 5: Solve for x
   x = 3,465,962,168.33/67,478.68
6. Step 6: Final answer
   x = 51,363.81