Finding the Fourth Proportional to 344,212.87, 475,010.31 and 189,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   344,212.87 : 475,010.31 = 189,166.72 : x
2. Step 2: Convert to fraction form
   344,212.87/475,010.31 = 189,166.72/x
3. Step 3: Cross multiply
   344,212.87x = 475,010.31 × 189,166.72
4. Step 4: Simplify right side
   344,212.87x = 89,856,142,308.88
5. Step 5: Solve for x
   x = 89,856,142,308.88/344,212.87
6. Step 6: Final answer
   x = 261,048.18