Finding the Fourth Proportional to 67,158.32, 92,636.16 and 49,915.34

Step by Step Solution

1. Step 1: Write the proportion equation
   67,158.32 : 92,636.16 = 49,915.34 : x
2. Step 2: Convert to fraction form
   67,158.32/92,636.16 = 49,915.34/x
3. Step 3: Cross multiply
   67,158.32x = 92,636.16 × 49,915.34
4. Step 4: Simplify right side
   67,158.32x = 4,623,965,119.72
5. Step 5: Solve for x
   x = 4,623,965,119.72/67,158.32
6. Step 6: Final answer
   x = 68,851.71