Finding the Fourth Proportional to 72,328.77, 99,815.31 and 41,283.39

Step by Step Solution

1. Step 1: Write the proportion equation
   72,328.77 : 99,815.31 = 41,283.39 : x
2. Step 2: Convert to fraction form
   72,328.77/99,815.31 = 41,283.39/x
3. Step 3: Cross multiply
   72,328.77x = 99,815.31 × 41,283.39
4. Step 4: Simplify right side
   72,328.77x = 4,120,714,745.01
5. Step 5: Solve for x
   x = 4,120,714,745.01/72,328.77
6. Step 6: Final answer
   x = 56,972.00