Finding the Fourth Proportional to 67,938.77, 101,854.56 and 42,926.11

Step by Step Solution

1. Step 1: Write the proportion equation
   67,938.77 : 101,854.56 = 42,926.11 : x
2. Step 2: Convert to fraction form
   67,938.77/101,854.56 = 42,926.11/x
3. Step 3: Cross multiply
   67,938.77x = 101,854.56 × 42,926.11
4. Step 4: Simplify right side
   67,938.77x = 4,372,220,046.56
5. Step 5: Solve for x
   x = 4,372,220,046.56/67,938.77
6. Step 6: Final answer
   x = 64,355.30