Finding the Fourth Proportional to 47,567.62, 65,638.59 and 28,443.59

Step by Step Solution

1. Step 1: Write the proportion equation
   47,567.62 : 65,638.59 = 28,443.59 : x
2. Step 2: Convert to fraction form
   47,567.62/65,638.59 = 28,443.59/x
3. Step 3: Cross multiply
   47,567.62x = 65,638.59 × 28,443.59
4. Step 4: Simplify right side
   47,567.62x = 1,866,996,953.43
5. Step 5: Solve for x
   x = 1,866,996,953.43/47,567.62
6. Step 6: Final answer
   x = 39,249.32