Finding the Fourth Proportional to 128,443.59, 192,617.60 and 44,180.10

Step by Step Solution

1. Step 1: Write the proportion equation
   128,443.59 : 192,617.60 = 44,180.10 : x
2. Step 2: Convert to fraction form
   128,443.59/192,617.60 = 44,180.10/x
3. Step 3: Cross multiply
   128,443.59x = 192,617.60 × 44,180.10
4. Step 4: Simplify right side
   128,443.59x = 8,509,864,608.86
5. Step 5: Solve for x
   x = 8,509,864,608.86/128,443.59
6. Step 6: Final answer
   x = 66,253.71