Finding the Fourth Proportional to 67,158.72, 92,673.72 and 38,868.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,158.72 : 92,673.72 = 38,868.12 : x
2. Step 2: Convert to fraction form
   67,158.72/92,673.72 = 38,868.12/x
3. Step 3: Cross multiply
   67,158.72x = 92,673.72 × 38,868.12
4. Step 4: Simplify right side
   67,158.72x = 3,602,053,269.81
5. Step 5: Solve for x
   x = 3,602,053,269.81/67,158.72
6. Step 6: Final answer
   x = 53,634.93