Finding the Fourth Proportional to 45,046.72, 67,541.46 and 39,511.18

Step by Step Solution

1. Step 1: Write the proportion equation
   45,046.72 : 67,541.46 = 39,511.18 : x
2. Step 2: Convert to fraction form
   45,046.72/67,541.46 = 39,511.18/x
3. Step 3: Cross multiply
   45,046.72x = 67,541.46 × 39,511.18
4. Step 4: Simplify right side
   45,046.72x = 2,668,642,783.52
5. Step 5: Solve for x
   x = 2,668,642,783.52/45,046.72
6. Step 6: Final answer
   x = 59,241.67