Finding the Fourth Proportional to 342,152.56, 472,167.68 and 189,197.42

Step by Step Solution

1. Step 1: Write the proportion equation
   342,152.56 : 472,167.68 = 189,197.42 : x
2. Step 2: Convert to fraction form
   342,152.56/472,167.68 = 189,197.42/x
3. Step 3: Cross multiply
   342,152.56x = 472,167.68 × 189,197.42
4. Step 4: Simplify right side
   342,152.56x = 89,332,906,863.39
5. Step 5: Solve for x
   x = 89,332,906,863.39/342,152.56
6. Step 6: Final answer
   x = 261,090.86