Finding the Fourth Proportional to 41,680.82, 62,525.34 and 13,599.74

Step by Step Solution

1. Step 1: Write the proportion equation
   41,680.82 : 62,525.34 = 13,599.74 : x
2. Step 2: Convert to fraction form
   41,680.82/62,525.34 = 13,599.74/x
3. Step 3: Cross multiply
   41,680.82x = 62,525.34 × 13,599.74
4. Step 4: Simplify right side
   41,680.82x = 850,328,054.78
5. Step 5: Solve for x
   x = 850,328,054.78/41,680.82
6. Step 6: Final answer
   x = 20,400.95