Finding the Fourth Proportional to 356,269.32, 491,641.98 and 203,304.72

Step by Step Solution

1. Step 1: Write the proportion equation
   356,269.32 : 491,641.98 = 203,304.72 : x
2. Step 2: Convert to fraction form
   356,269.32/491,641.98 = 203,304.72/x
3. Step 3: Cross multiply
   356,269.32x = 491,641.98 × 203,304.72
4. Step 4: Simplify right side
   356,269.32x = 99,953,135,084.15
5. Step 5: Solve for x
   x = 99,953,135,084.15/356,269.32
6. Step 6: Final answer
   x = 280,554.99