Finding the Fourth Proportional to 404,753.96, 606,936.72 and 191,344.16

Step by Step Solution

1. Step 1: Write the proportion equation
   404,753.96 : 606,936.72 = 191,344.16 : x
2. Step 2: Convert to fraction form
   404,753.96/606,936.72 = 191,344.16/x
3. Step 3: Cross multiply
   404,753.96x = 606,936.72 × 191,344.16
4. Step 4: Simplify right side
   404,753.96x = 116,133,796,861.56
5. Step 5: Solve for x
   x = 116,133,796,861.56/404,753.96
6. Step 6: Final answer
   x = 286,924.42