Finding the Fourth Proportional to 37,426.82, 56,139.50 and 12,468.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,426.82 : 56,139.50 = 12,468.69 : x
2. Step 2: Convert to fraction form
   37,426.82/56,139.50 = 12,468.69/x
3. Step 3: Cross multiply
   37,426.82x = 56,139.50 × 12,468.69
4. Step 4: Simplify right side
   37,426.82x = 699,985,959.91
5. Step 5: Solve for x
   x = 699,985,959.91/37,426.82
6. Step 6: Final answer
   x = 18,702.79