Finding the Fourth Proportional to 363,449.24, 501,548.78 and 202,300.15

Step by Step Solution

1. Step 1: Write the proportion equation
   363,449.24 : 501,548.78 = 202,300.15 : x
2. Step 2: Convert to fraction form
   363,449.24/501,548.78 = 202,300.15/x
3. Step 3: Cross multiply
   363,449.24x = 501,548.78 × 202,300.15
4. Step 4: Simplify right side
   363,449.24x = 101,463,393,426.32
5. Step 5: Solve for x
   x = 101,463,393,426.32/363,449.24
6. Step 6: Final answer
   x = 279,167.99