Finding the Fourth Proportional to 356,843.93, 492,498.56 and 203,914.31

Step by Step Solution

1. Step 1: Write the proportion equation
   356,843.93 : 492,498.56 = 203,914.31 : x
2. Step 2: Convert to fraction form
   356,843.93/492,498.56 = 203,914.31/x
3. Step 3: Cross multiply
   356,843.93x = 492,498.56 × 203,914.31
4. Step 4: Simplify right side
   356,843.93x = 100,427,502,085.69
5. Step 5: Solve for x
   x = 100,427,502,085.69/356,843.93
6. Step 6: Final answer
   x = 281,432.57