Finding the Fourth Proportional to 309,348.72, 426,902.04 and 175,212.72

Step by Step Solution

1. Step 1: Write the proportion equation
   309,348.72 : 426,902.04 = 175,212.72 : x
2. Step 2: Convert to fraction form
   309,348.72/426,902.04 = 175,212.72/x
3. Step 3: Cross multiply
   309,348.72x = 426,902.04 × 175,212.72
4. Step 4: Simplify right side
   309,348.72x = 74,798,667,601.95
5. Step 5: Solve for x
   x = 74,798,667,601.95/309,348.72
6. Step 6: Final answer
   x = 241,794.01