Finding the Fourth Proportional to 60,243.34, 90,241.89 and 28,176.52

Step by Step Solution

1. Step 1: Write the proportion equation
   60,243.34 : 90,241.89 = 28,176.52 : x
2. Step 2: Convert to fraction form
   60,243.34/90,241.89 = 28,176.52/x
3. Step 3: Cross multiply
   60,243.34x = 90,241.89 × 28,176.52
4. Step 4: Simplify right side
   60,243.34x = 2,542,702,418.42
5. Step 5: Solve for x
   x = 2,542,702,418.42/60,243.34
6. Step 6: Final answer
   x = 42,207.20