Finding the Fourth Proportional to 37,411.61, 56,124.25 and 12,449.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,411.61 : 56,124.25 = 12,449.30 : x
2. Step 2: Convert to fraction form
   37,411.61/56,124.25 = 12,449.30/x
3. Step 3: Cross multiply
   37,411.61x = 56,124.25 × 12,449.30
4. Step 4: Simplify right side
   37,411.61x = 698,707,313.78
5. Step 5: Solve for x
   x = 698,707,313.78/37,411.61
6. Step 6: Final answer
   x = 18,676.22