Finding the Fourth Proportional to 40,608.22, 60,817.72 and 39,487.18

Step by Step Solution

1. Step 1: Write the proportion equation
   40,608.22 : 60,817.72 = 39,487.18 : x
2. Step 2: Convert to fraction form
   40,608.22/60,817.72 = 39,487.18/x
3. Step 3: Cross multiply
   40,608.22x = 60,817.72 × 39,487.18
4. Step 4: Simplify right side
   40,608.22x = 2,401,520,256.83
5. Step 5: Solve for x
   x = 2,401,520,256.83/40,608.22
6. Step 6: Final answer
   x = 59,138.77