Finding the Fourth Proportional to 108,648.72, 162,986.04 and 38,535.12

Step by Step Solution

1. Step 1: Write the proportion equation
   108,648.72 : 162,986.04 = 38,535.12 : x
2. Step 2: Convert to fraction form
   108,648.72/162,986.04 = 38,535.12/x
3. Step 3: Cross multiply
   108,648.72x = 162,986.04 × 38,535.12
4. Step 4: Simplify right side
   108,648.72x = 6,280,686,609.72
5. Step 5: Solve for x
   x = 6,280,686,609.72/108,648.72
6. Step 6: Final answer
   x = 57,807.28