Finding the Fourth Proportional to 581,061.33, 871,642.22 and 160,337.21

Step by Step Solution

1. Step 1: Write the proportion equation
   581,061.33 : 871,642.22 = 160,337.21 : x
2. Step 2: Convert to fraction form
   581,061.33/871,642.22 = 160,337.21/x
3. Step 3: Cross multiply
   581,061.33x = 871,642.22 × 160,337.21
4. Step 4: Simplify right side
   581,061.33x = 139,756,676,513.11
5. Step 5: Solve for x
   x = 139,756,676,513.11/581,061.33
6. Step 6: Final answer
   x = 240,519.67