Finding the Fourth Proportional to 87,447.60, 131,183.61 and 43,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,447.60 : 131,183.61 = 43,074.72 : x
2. Step 2: Convert to fraction form
   87,447.60/131,183.61 = 43,074.72/x
3. Step 3: Cross multiply
   87,447.60x = 131,183.61 × 43,074.72
4. Step 4: Simplify right side
   87,447.60x = 5,650,697,269.34
5. Step 5: Solve for x
   x = 5,650,697,269.34/87,447.60
6. Step 6: Final answer
   x = 64,618.09