Finding the Fourth Proportional to 59,544.72, 89,311.57 and 20,102.17

Step by Step Solution

1. Step 1: Write the proportion equation
   59,544.72 : 89,311.57 = 20,102.17 : x
2. Step 2: Convert to fraction form
   59,544.72/89,311.57 = 20,102.17/x
3. Step 3: Cross multiply
   59,544.72x = 89,311.57 × 20,102.17
4. Step 4: Simplify right side
   59,544.72x = 1,795,356,363.11
5. Step 5: Solve for x
   x = 1,795,356,363.11/59,544.72
6. Step 6: Final answer
   x = 30,151.39