Finding the Fourth Proportional to 165,108.72, 247,664.16 and 40,449.72

Step by Step Solution

1. Step 1: Write the proportion equation
   165,108.72 : 247,664.16 = 40,449.72 : x
2. Step 2: Convert to fraction form
   165,108.72/247,664.16 = 40,449.72/x
3. Step 3: Cross multiply
   165,108.72x = 247,664.16 × 40,449.72
4. Step 4: Simplify right side
   165,108.72x = 10,017,945,926.04
5. Step 5: Solve for x
   x = 10,017,945,926.04/165,108.72
6. Step 6: Final answer
   x = 60,674.84