Finding the Fourth Proportional to 294,784.72, 442,270.54 and 105,241.02

Step by Step Solution

1. Step 1: Write the proportion equation
   294,784.72 : 442,270.54 = 105,241.02 : x
2. Step 2: Convert to fraction form
   294,784.72/442,270.54 = 105,241.02/x
3. Step 3: Cross multiply
   294,784.72x = 442,270.54 × 105,241.02
4. Step 4: Simplify right side
   294,784.72x = 46,545,002,745.55
5. Step 5: Solve for x
   x = 46,545,002,745.55/294,784.72
6. Step 6: Final answer
   x = 157,894.90