Finding the Fourth Proportional to 37,416.10, 56,123.98 and 12,456.11

Step by Step Solution

1. Step 1: Write the proportion equation
   37,416.10 : 56,123.98 = 12,456.11 : x
2. Step 2: Convert to fraction form
   37,416.10/56,123.98 = 12,456.11/x
3. Step 3: Cross multiply
   37,416.10x = 56,123.98 × 12,456.11
4. Step 4: Simplify right side
   37,416.10x = 699,086,468.52
5. Step 5: Solve for x
   x = 699,086,468.52/37,416.10
6. Step 6: Final answer
   x = 18,684.11