Finding the Fourth Proportional to 37,441.71, 56,158.71 and 12,479.07

Step by Step Solution

1. Step 1: Write the proportion equation
   37,441.71 : 56,158.71 = 12,479.07 : x
2. Step 2: Convert to fraction form
   37,441.71/56,158.71 = 12,479.07/x
3. Step 3: Cross multiply
   37,441.71x = 56,158.71 × 12,479.07
4. Step 4: Simplify right side
   37,441.71x = 700,808,473.20
5. Step 5: Solve for x
   x = 700,808,473.20/37,441.71
6. Step 6: Final answer
   x = 18,717.32