Finding the Fourth Proportional to 67,105.26, 92,468.79 and 51,905.61

Step by Step Solution

1. Step 1: Write the proportion equation
   67,105.26 : 92,468.79 = 51,905.61 : x
2. Step 2: Convert to fraction form
   67,105.26/92,468.79 = 51,905.61/x
3. Step 3: Cross multiply
   67,105.26x = 92,468.79 × 51,905.61
4. Step 4: Simplify right side
   67,105.26x = 4,799,648,950.91
5. Step 5: Solve for x
   x = 4,799,648,950.91/67,105.26
6. Step 6: Final answer
   x = 71,524.18