Finding the Fourth Proportional to 677,482.42, 1,016,224.02 and 172,081.30

Step by Step Solution

1. Step 1: Write the proportion equation
   677,482.42 : 1,016,224.02 = 172,081.30 : x
2. Step 2: Convert to fraction form
   677,482.42/1,016,224.02 = 172,081.30/x
3. Step 3: Cross multiply
   677,482.42x = 1,016,224.02 × 172,081.30
4. Step 4: Simplify right side
   677,482.42x = 174,873,150,452.83
5. Step 5: Solve for x
   x = 174,873,150,452.83/677,482.42
6. Step 6: Final answer
   x = 258,122.05