Finding the Fourth Proportional to 37,398, 56,105.92 and 12,774

Step by Step Solution

1. Step 1: Write the proportion equation
   37,398 : 56,105.92 = 12,774 : x
2. Step 2: Convert to fraction form
   37,398/56,105.92 = 12,774/x
3. Step 3: Cross multiply
   37,398x = 56,105.92 × 12,774
4. Step 4: Simplify right side
   37,398x = 716,697,022.08
5. Step 5: Solve for x
   x = 716,697,022.08/37,398
6. Step 6: Final answer
   x = 19,164.05