Finding the Fourth Proportional to 40,401.98, 60,585.37 and 13,740.74

Step by Step Solution

1. Step 1: Write the proportion equation
   40,401.98 : 60,585.37 = 13,740.74 : x
2. Step 2: Convert to fraction form
   40,401.98/60,585.37 = 13,740.74/x
3. Step 3: Cross multiply
   40,401.98x = 60,585.37 × 13,740.74
4. Step 4: Simplify right side
   40,401.98x = 832,487,706.89
5. Step 5: Solve for x
   x = 832,487,706.89/40,401.98
6. Step 6: Final answer
   x = 20,605.12