Finding the Fourth Proportional to 67,251.39, 92,768.16 and 42,057.15

Step by Step Solution

1. Step 1: Write the proportion equation
   67,251.39 : 92,768.16 = 42,057.15 : x
2. Step 2: Convert to fraction form
   67,251.39/92,768.16 = 42,057.15/x
3. Step 3: Cross multiply
   67,251.39x = 92,768.16 × 42,057.15
4. Step 4: Simplify right side
   67,251.39x = 3,901,564,420.34
5. Step 5: Solve for x
   x = 3,901,564,420.34/67,251.39
6. Step 6: Final answer
   x = 58,014.63