Finding the Fourth Proportional to 353,035.33, 487,176.83 and 202,103.17

Step by Step Solution

1. Step 1: Write the proportion equation
   353,035.33 : 487,176.83 = 202,103.17 : x
2. Step 2: Convert to fraction form
   353,035.33/487,176.83 = 202,103.17/x
3. Step 3: Cross multiply
   353,035.33x = 487,176.83 × 202,103.17
4. Step 4: Simplify right side
   353,035.33x = 98,459,980,222.98
5. Step 5: Solve for x
   x = 98,459,980,222.98/353,035.33
6. Step 6: Final answer
   x = 278,895.55