Finding the Fourth Proportional to 67,385.69, 92,990.61 and 37,170.35

Step by Step Solution

1. Step 1: Write the proportion equation
   67,385.69 : 92,990.61 = 37,170.35 : x
2. Step 2: Convert to fraction form
   67,385.69/92,990.61 = 37,170.35/x
3. Step 3: Cross multiply
   67,385.69x = 92,990.61 × 37,170.35
4. Step 4: Simplify right side
   67,385.69x = 3,456,493,520.41
5. Step 5: Solve for x
   x = 3,456,493,520.41/67,385.69
6. Step 6: Final answer
   x = 51,294.18