Finding the Fourth Proportional to 294,411, 406,287.72 and 160,275

Step by Step Solution

1. Step 1: Write the proportion equation
   294,411 : 406,287.72 = 160,275 : x
2. Step 2: Convert to fraction form
   294,411/406,287.72 = 160,275/x
3. Step 3: Cross multiply
   294,411x = 406,287.72 × 160,275
4. Step 4: Simplify right side
   294,411x = 65,117,764,323.00
5. Step 5: Solve for x
   x = 65,117,764,323.00/294,411
6. Step 6: Final answer
   x = 221,179.79