Finding the Fourth Proportional to 72,241.43, 108,903.58 and 67,424.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,241.43 : 108,903.58 = 67,424.63 : x
2. Step 2: Convert to fraction form
   72,241.43/108,903.58 = 67,424.63/x
3. Step 3: Cross multiply
   72,241.43x = 108,903.58 × 67,424.63
4. Step 4: Simplify right side
   72,241.43x = 7,342,782,874.10
5. Step 5: Solve for x
   x = 7,342,782,874.10/72,241.43
6. Step 6: Final answer
   x = 101,642.28