Finding the Fourth Proportional to 37,665.29, 56,429.07 and 17,638.04

Step by Step Solution

1. Step 1: Write the proportion equation
   37,665.29 : 56,429.07 = 17,638.04 : x
2. Step 2: Convert to fraction form
   37,665.29/56,429.07 = 17,638.04/x
3. Step 3: Cross multiply
   37,665.29x = 56,429.07 × 17,638.04
4. Step 4: Simplify right side
   37,665.29x = 995,297,911.68
5. Step 5: Solve for x
   x = 995,297,911.68/37,665.29
6. Step 6: Final answer
   x = 26,424.81