Finding the Fourth Proportional to 495,617.94, 743,131.67 and 196,141.10

Step by Step Solution

1. Step 1: Write the proportion equation
   495,617.94 : 743,131.67 = 196,141.10 : x
2. Step 2: Convert to fraction form
   495,617.94/743,131.67 = 196,141.10/x
3. Step 3: Cross multiply
   495,617.94x = 743,131.67 × 196,141.10
4. Step 4: Simplify right side
   495,617.94x = 145,758,658,502.27
5. Step 5: Solve for x
   x = 145,758,658,502.27/495,617.94
6. Step 6: Final answer
   x = 294,094.80