Finding the Fourth Proportional to 361,709, 499,164.42 and 200,570.84

Step by Step Solution

1. Step 1: Write the proportion equation
   361,709 : 499,164.42 = 200,570.84 : x
2. Step 2: Convert to fraction form
   361,709/499,164.42 = 200,570.84/x
3. Step 3: Cross multiply
   361,709x = 499,164.42 × 200,570.84
4. Step 4: Simplify right side
   361,709x = 100,117,827,017.51
5. Step 5: Solve for x
   x = 100,117,827,017.51/361,709
6. Step 6: Final answer
   x = 276,791.09