Finding the Fourth Proportional to 37,518.10, 51,772.86 and 20,518.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,518.10 : 51,772.86 = 20,518.96 : x
2. Step 2: Convert to fraction form
   37,518.10/51,772.86 = 20,518.96/x
3. Step 3: Cross multiply
   37,518.10x = 51,772.86 × 20,518.96
4. Step 4: Simplify right side
   37,518.10x = 1,062,325,243.43
5. Step 5: Solve for x
   x = 1,062,325,243.43/37,518.10
6. Step 6: Final answer
   x = 28,315.01