Finding the Fourth Proportional to 294,728.06, 406,724.72 and 160,592.06

Step by Step Solution

1. Step 1: Write the proportion equation
   294,728.06 : 406,724.72 = 160,592.06 : x
2. Step 2: Convert to fraction form
   294,728.06/406,724.72 = 160,592.06/x
3. Step 3: Cross multiply
   294,728.06x = 406,724.72 × 160,592.06
4. Step 4: Simplify right side
   294,728.06x = 65,316,760,637.72
5. Step 5: Solve for x
   x = 65,316,760,637.72/294,728.06
6. Step 6: Final answer
   x = 221,617.04