Finding the Fourth Proportional to 67,514.81, 93,170.45 and 39,222.32

Step by Step Solution

1. Step 1: Write the proportion equation
   67,514.81 : 93,170.45 = 39,222.32 : x
2. Step 2: Convert to fraction form
   67,514.81/93,170.45 = 39,222.32/x
3. Step 3: Cross multiply
   67,514.81x = 93,170.45 × 39,222.32
4. Step 4: Simplify right side
   67,514.81x = 3,654,361,535.43
5. Step 5: Solve for x
   x = 3,654,361,535.43/67,514.81
6. Step 6: Final answer
   x = 54,126.81