Finding the Fourth Proportional to 249,667.83, 344,516.85 and 142,231.46

Step by Step Solution

1. Step 1: Write the proportion equation
   249,667.83 : 344,516.85 = 142,231.46 : x
2. Step 2: Convert to fraction form
   249,667.83/344,516.85 = 142,231.46/x
3. Step 3: Cross multiply
   249,667.83x = 344,516.85 × 142,231.46
4. Step 4: Simplify right side
   249,667.83x = 49,001,134,570.10
5. Step 5: Solve for x
   x = 49,001,134,570.10/249,667.83
6. Step 6: Final answer
   x = 196,265.31