Finding the Fourth Proportional to 37,711.32, 56,552.40 and 12,744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,711.32 : 56,552.40 = 12,744.72 : x
2. Step 2: Convert to fraction form
   37,711.32/56,552.40 = 12,744.72/x
3. Step 3: Cross multiply
   37,711.32x = 56,552.40 × 12,744.72
4. Step 4: Simplify right side
   37,711.32x = 720,744,503.33
5. Step 5: Solve for x
   x = 720,744,503.33/37,711.32
6. Step 6: Final answer
   x = 19,112.15