Finding the Fourth Proportional to 59,724.58, 89,599.83 and 18,170.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,724.58 : 89,599.83 = 18,170.50 : x
2. Step 2: Convert to fraction form
   59,724.58/89,599.83 = 18,170.50/x
3. Step 3: Cross multiply
   59,724.58x = 89,599.83 × 18,170.50
4. Step 4: Simplify right side
   59,724.58x = 1,628,073,711.02
5. Step 5: Solve for x
   x = 1,628,073,711.02/59,724.58
6. Step 6: Final answer
   x = 27,259.69