Finding the Fourth Proportional to 59,826.14, 89,747.72 and 20,389.67

Step by Step Solution

1. Step 1: Write the proportion equation
   59,826.14 : 89,747.72 = 20,389.67 : x
2. Step 2: Convert to fraction form
   59,826.14/89,747.72 = 20,389.67/x
3. Step 3: Cross multiply
   59,826.14x = 89,747.72 × 20,389.67
4. Step 4: Simplify right side
   59,826.14x = 1,829,926,394.05
5. Step 5: Solve for x
   x = 1,829,926,394.05/59,826.14
6. Step 6: Final answer
   x = 30,587.41