Finding the Fourth Proportional to 262,426.38, 362,322.72 and 201,890.22

Step by Step Solution

1. Step 1: Write the proportion equation
   262,426.38 : 362,322.72 = 201,890.22 : x
2. Step 2: Convert to fraction form
   262,426.38/362,322.72 = 201,890.22/x
3. Step 3: Cross multiply
   262,426.38x = 362,322.72 × 201,890.22
4. Step 4: Simplify right side
   262,426.38x = 73,149,413,651.80
5. Step 5: Solve for x
   x = 73,149,413,651.80/262,426.38
6. Step 6: Final answer
   x = 278,742.61