Finding the Fourth Proportional to 37,401.12, 56,095.92 and 12,441.60

Step by Step Solution

1. Step 1: Write the proportion equation
   37,401.12 : 56,095.92 = 12,441.60 : x
2. Step 2: Convert to fraction form
   37,401.12/56,095.92 = 12,441.60/x
3. Step 3: Cross multiply
   37,401.12x = 56,095.92 × 12,441.60
4. Step 4: Simplify right side
   37,401.12x = 697,922,998.27
5. Step 5: Solve for x
   x = 697,922,998.27/37,401.12
6. Step 6: Final answer
   x = 18,660.48