Finding the Fourth Proportional to 72,455.82, 99,965.13 and 43,764.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,455.82 : 99,965.13 = 43,764.76 : x
2. Step 2: Convert to fraction form
   72,455.82/99,965.13 = 43,764.76/x
3. Step 3: Cross multiply
   72,455.82x = 99,965.13 × 43,764.76
4. Step 4: Simplify right side
   72,455.82x = 4,374,949,922.82
5. Step 5: Solve for x
   x = 4,374,949,922.82/72,455.82
6. Step 6: Final answer
   x = 60,380.93