Finding the Fourth Proportional to 419,100.72, 628,635.60 and 182,443.92

Step by Step Solution

1. Step 1: Write the proportion equation
   419,100.72 : 628,635.60 = 182,443.92 : x
2. Step 2: Convert to fraction form
   419,100.72/628,635.60 = 182,443.92/x
3. Step 3: Cross multiply
   419,100.72x = 628,635.60 × 182,443.92
4. Step 4: Simplify right side
   419,100.72x = 114,690,743,115.55
5. Step 5: Solve for x
   x = 114,690,743,115.55/419,100.72
6. Step 6: Final answer
   x = 273,659.14