Finding the Fourth Proportional to 59,622, 89,475.12 and 28,459.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,622 : 89,475.12 = 28,459.68 : x
2. Step 2: Convert to fraction form
   59,622/89,475.12 = 28,459.68/x
3. Step 3: Cross multiply
   59,622x = 89,475.12 × 28,459.68
4. Step 4: Simplify right side
   59,622x = 2,546,433,283.16
5. Step 5: Solve for x
   x = 2,546,433,283.16/59,622
6. Step 6: Final answer
   x = 42,709.63