Finding the Fourth Proportional to 294,801.72, 406,826.46 and 160,665.72

Step by Step Solution

1. Step 1: Write the proportion equation
   294,801.72 : 406,826.46 = 160,665.72 : x
2. Step 2: Convert to fraction form
   294,801.72/406,826.46 = 160,665.72/x
3. Step 3: Cross multiply
   294,801.72x = 406,826.46 × 160,665.72
4. Step 4: Simplify right side
   294,801.72x = 65,363,066,110.95
5. Step 5: Solve for x
   x = 65,363,066,110.95/294,801.72
6. Step 6: Final answer
   x = 221,718.74