Finding the Fourth Proportional to 37,440.69, 56,142.25 and 12,471.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,440.69 : 56,142.25 = 12,471.96 : x
2. Step 2: Convert to fraction form
   37,440.69/56,142.25 = 12,471.96/x
3. Step 3: Cross multiply
   37,440.69x = 56,142.25 × 12,471.96
4. Step 4: Simplify right side
   37,440.69x = 700,203,584.42
5. Step 5: Solve for x
   x = 700,203,584.42/37,440.69
6. Step 6: Final answer
   x = 18,701.68