Finding the Fourth Proportional to 402,661.72, 604,109.22 and 165,882.52

Step by Step Solution

1. Step 1: Write the proportion equation
   402,661.72 : 604,109.22 = 165,882.52 : x
2. Step 2: Convert to fraction form
   402,661.72/604,109.22 = 165,882.52/x
3. Step 3: Cross multiply
   402,661.72x = 604,109.22 × 165,882.52
4. Step 4: Simplify right side
   402,661.72x = 100,211,159,768.83
5. Step 5: Solve for x
   x = 100,211,159,768.83/402,661.72
6. Step 6: Final answer
   x = 248,871.83