Finding the Fourth Proportional to 72,327, 99,821.22 and 43,648.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,327 : 99,821.22 = 43,648.12 : x
2. Step 2: Convert to fraction form
   72,327/99,821.22 = 43,648.12/x
3. Step 3: Cross multiply
   72,327x = 99,821.22 × 43,648.12
4. Step 4: Simplify right side
   72,327x = 4,357,008,589.11
5. Step 5: Solve for x
   x = 4,357,008,589.11/72,327
6. Step 6: Final answer
   x = 60,240.42