Finding the Fourth Proportional to 65,123.05, 89,873.60 and 36,442.47

Step by Step Solution

1. Step 1: Write the proportion equation
   65,123.05 : 89,873.60 = 36,442.47 : x
2. Step 2: Convert to fraction form
   65,123.05/89,873.60 = 36,442.47/x
3. Step 3: Cross multiply
   65,123.05x = 89,873.60 × 36,442.47
4. Step 4: Simplify right side
   65,123.05x = 3,275,215,694.95
5. Step 5: Solve for x
   x = 3,275,215,694.95/65,123.05
6. Step 6: Final answer
   x = 50,292.73