Finding the Fourth Proportional to 574,017.33, 861,101.18 and 189,638.42

Step by Step Solution

1. Step 1: Write the proportion equation
   574,017.33 : 861,101.18 = 189,638.42 : x
2. Step 2: Convert to fraction form
   574,017.33/861,101.18 = 189,638.42/x
3. Step 3: Cross multiply
   574,017.33x = 861,101.18 × 189,638.42
4. Step 4: Simplify right side
   574,017.33x = 163,297,862,692.78
5. Step 5: Solve for x
   x = 163,297,862,692.78/574,017.33
6. Step 6: Final answer
   x = 284,482.46