Finding the Fourth Proportional to 294,668.50, 442,222.72 and 199,673.34

Step by Step Solution

1. Step 1: Write the proportion equation
   294,668.50 : 442,222.72 = 199,673.34 : x
2. Step 2: Convert to fraction form
   294,668.50/442,222.72 = 199,673.34/x
3. Step 3: Cross multiply
   294,668.50x = 442,222.72 × 199,673.34
4. Step 4: Simplify right side
   294,668.50x = 88,300,087,526.28
5. Step 5: Solve for x
   x = 88,300,087,526.28/294,668.50
6. Step 6: Final answer
   x = 299,659.07