Finding the Fourth Proportional to 294,862.50, 406,910.52 and 160,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   294,862.50 : 406,910.52 = 160,726.50 : x
2. Step 2: Convert to fraction form
   294,862.50/406,910.52 = 160,726.50/x
3. Step 3: Cross multiply
   294,862.50x = 406,910.52 × 160,726.50
4. Step 4: Simplify right side
   294,862.50x = 65,401,303,692.78
5. Step 5: Solve for x
   x = 65,401,303,692.78/294,862.50
6. Step 6: Final answer
   x = 221,802.72