Finding the Fourth Proportional to 249,404.72, 344,178.82 and 141,974.65

Step by Step Solution

1. Step 1: Write the proportion equation
   249,404.72 : 344,178.82 = 141,974.65 : x
2. Step 2: Convert to fraction form
   249,404.72/344,178.82 = 141,974.65/x
3. Step 3: Cross multiply
   249,404.72x = 344,178.82 × 141,974.65
4. Step 4: Simplify right side
   249,404.72x = 48,864,667,146.60
5. Step 5: Solve for x
   x = 48,864,667,146.60/249,404.72
6. Step 6: Final answer
   x = 195,925.19