Finding the Fourth Proportional to 67,160.34, 92,689.25 and 38,489.31

Step by Step Solution

1. Step 1: Write the proportion equation
   67,160.34 : 92,689.25 = 38,489.31 : x
2. Step 2: Convert to fraction form
   67,160.34/92,689.25 = 38,489.31/x
3. Step 3: Cross multiply
   67,160.34x = 92,689.25 × 38,489.31
4. Step 4: Simplify right side
   67,160.34x = 3,567,545,084.47
5. Step 5: Solve for x
   x = 3,567,545,084.47/67,160.34
6. Step 6: Final answer
   x = 53,119.82