Finding the Fourth Proportional to 60,464.72, 90,648.12 and 27,160.40

Step by Step Solution

1. Step 1: Write the proportion equation
   60,464.72 : 90,648.12 = 27,160.40 : x
2. Step 2: Convert to fraction form
   60,464.72/90,648.12 = 27,160.40/x
3. Step 3: Cross multiply
   60,464.72x = 90,648.12 × 27,160.40
4. Step 4: Simplify right side
   60,464.72x = 2,462,039,198.45
5. Step 5: Solve for x
   x = 2,462,039,198.45/60,464.72
6. Step 6: Final answer
   x = 40,718.61