Finding the Fourth Proportional to 37,732.72, 56,512.78 and 18,025.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,732.72 : 56,512.78 = 18,025.12 : x
2. Step 2: Convert to fraction form
   37,732.72/56,512.78 = 18,025.12/x
3. Step 3: Cross multiply
   37,732.72x = 56,512.78 × 18,025.12
4. Step 4: Simplify right side
   37,732.72x = 1,018,649,641.03
5. Step 5: Solve for x
   x = 1,018,649,641.03/37,732.72
6. Step 6: Final answer
   x = 26,996.45