Finding the Fourth Proportional to 35,870.22, 53,805.60 and 12,496.62

Step by Step Solution

1. Step 1: Write the proportion equation
   35,870.22 : 53,805.60 = 12,496.62 : x
2. Step 2: Convert to fraction form
   35,870.22/53,805.60 = 12,496.62/x
3. Step 3: Cross multiply
   35,870.22x = 53,805.60 × 12,496.62
4. Step 4: Simplify right side
   35,870.22x = 672,388,137.07
5. Step 5: Solve for x
   x = 672,388,137.07/35,870.22
6. Step 6: Final answer
   x = 18,745.02