Finding the Fourth Proportional to 801,051.41, 1,105,452.61 and 438,498.43

Step by Step Solution

1. Step 1: Write the proportion equation
   801,051.41 : 1,105,452.61 = 438,498.43 : x
2. Step 2: Convert to fraction form
   801,051.41/1,105,452.61 = 438,498.43/x
3. Step 3: Cross multiply
   801,051.41x = 1,105,452.61 × 438,498.43
4. Step 4: Simplify right side
   801,051.41x = 484,739,230,064.53
5. Step 5: Solve for x
   x = 484,739,230,064.53/801,051.41
6. Step 6: Final answer
   x = 605,128.74