Finding the Fourth Proportional to 37,038.57, 51,113.82 and 20,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,038.57 : 51,113.82 = 20,906.72 : x
2. Step 2: Convert to fraction form
   37,038.57/51,113.82 = 20,906.72/x
3. Step 3: Cross multiply
   37,038.57x = 51,113.82 × 20,906.72
4. Step 4: Simplify right side
   37,038.57x = 1,068,622,067.30
5. Step 5: Solve for x
   x = 1,068,622,067.30/37,038.57
6. Step 6: Final answer
   x = 28,851.60