Finding the Fourth Proportional to 59,626, 89,481.12 and 28,463.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,626 : 89,481.12 = 28,463.68 : x
2. Step 2: Convert to fraction form
   59,626/89,481.12 = 28,463.68/x
3. Step 3: Cross multiply
   59,626x = 89,481.12 × 28,463.68
4. Step 4: Simplify right side
   59,626x = 2,546,961,965.72
5. Step 5: Solve for x
   x = 2,546,961,965.72/59,626
6. Step 6: Final answer
   x = 42,715.63