Finding the Fourth Proportional to 37,635.29, 51,937.42 and 20,638.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,635.29 : 51,937.42 = 20,638.52 : x
2. Step 2: Convert to fraction form
   37,635.29/51,937.42 = 20,638.52/x
3. Step 3: Cross multiply
   37,635.29x = 51,937.42 × 20,638.52
4. Step 4: Simplify right side
   37,635.29x = 1,071,911,481.42
5. Step 5: Solve for x
   x = 1,071,911,481.42/37,635.29
6. Step 6: Final answer
   x = 28,481.55