Finding the Fourth Proportional to 37,353.42, 56,046.42 and 12,396.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,353.42 : 56,046.42 = 12,396.78 : x
2. Step 2: Convert to fraction form
   37,353.42/56,046.42 = 12,396.78/x
3. Step 3: Cross multiply
   37,353.42x = 56,046.42 × 12,396.78
4. Step 4: Simplify right side
   37,353.42x = 694,795,138.53
5. Step 5: Solve for x
   x = 694,795,138.53/37,353.42
6. Step 6: Final answer
   x = 18,600.58