Finding the Fourth Proportional to 37,856.16, 52,243.86 and 20,860.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,856.16 : 52,243.86 = 20,860.38 : x
2. Step 2: Convert to fraction form
   37,856.16/52,243.86 = 20,860.38/x
3. Step 3: Cross multiply
   37,856.16x = 52,243.86 × 20,860.38
4. Step 4: Simplify right side
   37,856.16x = 1,089,826,772.27
5. Step 5: Solve for x
   x = 1,089,826,772.27/37,856.16
6. Step 6: Final answer
   x = 28,788.62