Finding the Fourth Proportional to 37,632.79, 56,457.83 and 12,672.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,632.79 : 56,457.83 = 12,672.24 : x
2. Step 2: Convert to fraction form
   37,632.79/56,457.83 = 12,672.24/x
3. Step 3: Cross multiply
   37,632.79x = 56,457.83 × 12,672.24
4. Step 4: Simplify right side
   37,632.79x = 715,447,171.64
5. Step 5: Solve for x
   x = 715,447,171.64/37,632.79
6. Step 6: Final answer
   x = 19,011.27