Finding the Fourth Proportional to 72,025.54, 99,394.83 and 40,194.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,025.54 : 99,394.83 = 40,194.36 : x
2. Step 2: Convert to fraction form
   72,025.54/99,394.83 = 40,194.36/x
3. Step 3: Cross multiply
   72,025.54x = 99,394.83 × 40,194.36
4. Step 4: Simplify right side
   72,025.54x = 3,995,111,579.16
5. Step 5: Solve for x
   x = 3,995,111,579.16/72,025.54
6. Step 6: Final answer
   x = 55,467.99