Finding the Fourth Proportional to 59,942.52, 89,909.46 and 18,387

Step by Step Solution

1. Step 1: Write the proportion equation
   59,942.52 : 89,909.46 = 18,387 : x
2. Step 2: Convert to fraction form
   59,942.52/89,909.46 = 18,387/x
3. Step 3: Cross multiply
   59,942.52x = 89,909.46 × 18,387
4. Step 4: Simplify right side
   59,942.52x = 1,653,165,241.02
5. Step 5: Solve for x
   x = 1,653,165,241.02/59,942.52
6. Step 6: Final answer
   x = 27,579.17