Finding the Fourth Proportional to 72,300.82, 99,773.97 and 40,469.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,300.82 : 99,773.97 = 40,469.62 : x
2. Step 2: Convert to fraction form
   72,300.82/99,773.97 = 40,469.62/x
3. Step 3: Cross multiply
   72,300.82x = 99,773.97 × 40,469.62
4. Step 4: Simplify right side
   72,300.82x = 4,037,814,651.79
5. Step 5: Solve for x
   x = 4,037,814,651.79/72,300.82
6. Step 6: Final answer
   x = 55,847.43