Finding the Fourth Proportional to 67,092.10, 92,581.55 and 38,405.15

Step by Step Solution

1. Step 1: Write the proportion equation
   67,092.10 : 92,581.55 = 38,405.15 : x
2. Step 2: Convert to fraction form
   67,092.10/92,581.55 = 38,405.15/x
3. Step 3: Cross multiply
   67,092.10x = 92,581.55 × 38,405.15
4. Step 4: Simplify right side
   67,092.10x = 3,555,608,314.98
5. Step 5: Solve for x
   x = 3,555,608,314.98/67,092.10
6. Step 6: Final answer
   x = 52,995.93