Finding the Fourth Proportional to 67,299.20, 92,870.88 and 42,162.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,299.20 : 92,870.88 = 42,162.56 : x
2. Step 2: Convert to fraction form
   67,299.20/92,870.88 = 42,162.56/x
3. Step 3: Cross multiply
   67,299.20x = 92,870.88 × 42,162.56
4. Step 4: Simplify right side
   67,299.20x = 3,915,674,050.25
5. Step 5: Solve for x
   x = 3,915,674,050.25/67,299.20
6. Step 6: Final answer
   x = 58,183.07