Finding the Fourth Proportional to 37,424.27, 56,124.25 and 12,457.61

Step by Step Solution

1. Step 1: Write the proportion equation
   37,424.27 : 56,124.25 = 12,457.61 : x
2. Step 2: Convert to fraction form
   37,424.27/56,124.25 = 12,457.61/x
3. Step 3: Cross multiply
   37,424.27x = 56,124.25 × 12,457.61
4. Step 4: Simplify right side
   37,424.27x = 699,174,109.63
5. Step 5: Solve for x
   x = 699,174,109.63/37,424.27
6. Step 6: Final answer
   x = 18,682.37