Finding the Fourth Proportional to 67,247.38, 92,864.37 and 42,140.62

Step by Step Solution

1. Step 1: Write the proportion equation
   67,247.38 : 92,864.37 = 42,140.62 : x
2. Step 2: Convert to fraction form
   67,247.38/92,864.37 = 42,140.62/x
3. Step 3: Cross multiply
   67,247.38x = 92,864.37 × 42,140.62
4. Step 4: Simplify right side
   67,247.38x = 3,913,362,127.71
5. Step 5: Solve for x
   x = 3,913,362,127.71/67,247.38
6. Step 6: Final answer
   x = 58,193.53