Finding the Fourth Proportional to 581,016.42, 871,574.85 and 160,292.30

Step by Step Solution

1. Step 1: Write the proportion equation
   581,016.42 : 871,574.85 = 160,292.30 : x
2. Step 2: Convert to fraction form
   581,016.42/871,574.85 = 160,292.30/x
3. Step 3: Cross multiply
   581,016.42x = 871,574.85 × 160,292.30
4. Step 4: Simplify right side
   581,016.42x = 139,706,732,970.78
5. Step 5: Solve for x
   x = 139,706,732,970.78/581,016.42
6. Step 6: Final answer
   x = 240,452.30