Finding the Fourth Proportional to 356,241, 491,615.82 and 243,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   356,241 : 491,615.82 = 243,061.32 : x
2. Step 2: Convert to fraction form
   356,241/491,615.82 = 243,061.32/x
3. Step 3: Cross multiply
   356,241x = 491,615.82 × 243,061.32
4. Step 4: Simplify right side
   356,241x = 119,492,790,142.08
5. Step 5: Solve for x
   x = 119,492,790,142.08/356,241
6. Step 6: Final answer
   x = 335,426.83