Finding the Fourth Proportional to 37,763, 52,113.12 and 20,996

Step by Step Solution

1. Step 1: Write the proportion equation
   37,763 : 52,113.12 = 20,996 : x
2. Step 2: Convert to fraction form
   37,763/52,113.12 = 20,996/x
3. Step 3: Cross multiply
   37,763x = 52,113.12 × 20,996
4. Step 4: Simplify right side
   37,763x = 1,094,167,067.52
5. Step 5: Solve for x
   x = 1,094,167,067.52/37,763
6. Step 6: Final answer
   x = 28,974.58