Finding the Fourth Proportional to 72,325.57, 99,816.56 and 41,699.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,325.57 : 99,816.56 = 41,699.47 : x
2. Step 2: Convert to fraction form
   72,325.57/99,816.56 = 41,699.47/x
3. Step 3: Cross multiply
   72,325.57x = 99,816.56 × 41,699.47
4. Step 4: Simplify right side
   72,325.57x = 4,162,297,440.73
5. Step 5: Solve for x
   x = 4,162,297,440.73/72,325.57
6. Step 6: Final answer
   x = 57,549.46