Finding the Fourth Proportional to 65,083.47, 89,815.85 and 38,226.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,083.47 : 89,815.85 = 38,226.42 : x
2. Step 2: Convert to fraction form
   65,083.47/89,815.85 = 38,226.42/x
3. Step 3: Cross multiply
   65,083.47x = 89,815.85 × 38,226.42
4. Step 4: Simplify right side
   65,083.47x = 3,433,338,213.62
5. Step 5: Solve for x
   x = 3,433,338,213.62/65,083.47
6. Step 6: Final answer
   x = 52,752.85