Finding the Fourth Proportional to 37,113.52, 51,217.27 and 20,118.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,113.52 : 51,217.27 = 20,118.30 : x
2. Step 2: Convert to fraction form
   37,113.52/51,217.27 = 20,118.30/x
3. Step 3: Cross multiply
   37,113.52x = 51,217.27 × 20,118.30
4. Step 4: Simplify right side
   37,113.52x = 1,030,404,403.04
5. Step 5: Solve for x
   x = 1,030,404,403.04/37,113.52
6. Step 6: Final answer
   x = 27,763.59