Finding the Fourth Proportional to 40,297.69, 60,453.83 and 13,281.47

Step by Step Solution

1. Step 1: Write the proportion equation
   40,297.69 : 60,453.83 = 13,281.47 : x
2. Step 2: Convert to fraction form
   40,297.69/60,453.83 = 13,281.47/x
3. Step 3: Cross multiply
   40,297.69x = 60,453.83 × 13,281.47
4. Step 4: Simplify right side
   40,297.69x = 802,915,729.53
5. Step 5: Solve for x
   x = 802,915,729.53/40,297.69
6. Step 6: Final answer
   x = 19,924.61