Finding the Fourth Proportional to 37,440.32, 56,141.69 and 12,471.66

Step by Step Solution

1. Step 1: Write the proportion equation
   37,440.32 : 56,141.69 = 12,471.66 : x
2. Step 2: Convert to fraction form
   37,440.32/56,141.69 = 12,471.66/x
3. Step 3: Cross multiply
   37,440.32x = 56,141.69 × 12,471.66
4. Step 4: Simplify right side
   37,440.32x = 700,180,007.15
5. Step 5: Solve for x
   x = 700,180,007.15/37,440.32
6. Step 6: Final answer
   x = 18,701.23