Finding the Fourth Proportional to 37,941, 56,911.41 and 12,981.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,941 : 56,911.41 = 12,981.30 : x
2. Step 2: Convert to fraction form
   37,941/56,911.41 = 12,981.30/x
3. Step 3: Cross multiply
   37,941x = 56,911.41 × 12,981.30
4. Step 4: Simplify right side
   37,941x = 738,784,086.63
5. Step 5: Solve for x
   x = 738,784,086.63/37,941
6. Step 6: Final answer
   x = 19,471.92