Finding the Fourth Proportional to 72,458.16, 99,993.28 and 43,773.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,458.16 : 99,993.28 = 43,773.83 : x
2. Step 2: Convert to fraction form
   72,458.16/99,993.28 = 43,773.83/x
3. Step 3: Cross multiply
   72,458.16x = 99,993.28 × 43,773.83
4. Step 4: Simplify right side
   72,458.16x = 4,377,088,605.44
5. Step 5: Solve for x
   x = 4,377,088,605.44/72,458.16
6. Step 6: Final answer
   x = 60,408.50