Finding the Fourth Proportional to 363,139.56, 501,084.90 and 201,962.52

Step by Step Solution

1. Step 1: Write the proportion equation
   363,139.56 : 501,084.90 = 201,962.52 : x
2. Step 2: Convert to fraction form
   363,139.56/501,084.90 = 201,962.52/x
3. Step 3: Cross multiply
   363,139.56x = 501,084.90 × 201,962.52
4. Step 4: Simplify right side
   363,139.56x = 101,200,369,137.95
5. Step 5: Solve for x
   x = 101,200,369,137.95/363,139.56
6. Step 6: Final answer
   x = 278,681.75