Finding the Fourth Proportional to 414,925.30, 622,695.15 and 165,786.10

Step by Step Solution

1. Step 1: Write the proportion equation
   414,925.30 : 622,695.15 = 165,786.10 : x
2. Step 2: Convert to fraction form
   414,925.30/622,695.15 = 165,786.10/x
3. Step 3: Cross multiply
   414,925.30x = 622,695.15 × 165,786.10
4. Step 4: Simplify right side
   414,925.30x = 103,234,200,407.42
5. Step 5: Solve for x
   x = 103,234,200,407.42/414,925.30
6. Step 6: Final answer
   x = 248,801.89