Finding the Fourth Proportional to 67,623.67, 93,349.37 and 42,142.61

Step by Step Solution

1. Step 1: Write the proportion equation
   67,623.67 : 93,349.37 = 42,142.61 : x
2. Step 2: Convert to fraction form
   67,623.67/93,349.37 = 42,142.61/x
3. Step 3: Cross multiply
   67,623.67x = 93,349.37 × 42,142.61
4. Step 4: Simplify right side
   67,623.67x = 3,933,986,432.39
5. Step 5: Solve for x
   x = 3,933,986,432.39/67,623.67
6. Step 6: Final answer
   x = 58,174.69