Finding the Fourth Proportional to 72,021.96, 99,375.12 and 41,803.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,021.96 : 99,375.12 = 41,803.56 : x
2. Step 2: Convert to fraction form
   72,021.96/99,375.12 = 41,803.56/x
3. Step 3: Cross multiply
   72,021.96x = 99,375.12 × 41,803.56
4. Step 4: Simplify right side
   72,021.96x = 4,154,233,791.43
5. Step 5: Solve for x
   x = 4,154,233,791.43/72,021.96
6. Step 6: Final answer
   x = 57,680.10