Finding the Fourth Proportional to 37,636.62, 56,457.72 and 12,676.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,636.62 : 56,457.72 = 12,676.56 : x
2. Step 2: Convert to fraction form
   37,636.62/56,457.72 = 12,676.56/x
3. Step 3: Cross multiply
   37,636.62x = 56,457.72 × 12,676.56
4. Step 4: Simplify right side
   37,636.62x = 715,689,675.04
5. Step 5: Solve for x
   x = 715,689,675.04/37,636.62
6. Step 6: Final answer
   x = 19,015.78