Finding the Fourth Proportional to 40,307.02, 60,469.61 and 13,651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,307.02 : 60,469.61 = 13,651.50 : x
2. Step 2: Convert to fraction form
   40,307.02/60,469.61 = 13,651.50/x
3. Step 3: Cross multiply
   40,307.02x = 60,469.61 × 13,651.50
4. Step 4: Simplify right side
   40,307.02x = 825,501,039.42
5. Step 5: Solve for x
   x = 825,501,039.42/40,307.02
6. Step 6: Final answer
   x = 20,480.33