Finding the Fourth Proportional to 342,096.72, 472,073.10 and 189,125.72

Step by Step Solution

1. Step 1: Write the proportion equation
   342,096.72 : 472,073.10 = 189,125.72 : x
2. Step 2: Convert to fraction form
   342,096.72/472,073.10 = 189,125.72/x
3. Step 3: Cross multiply
   342,096.72x = 472,073.10 × 189,125.72
4. Step 4: Simplify right side
   342,096.72x = 89,281,164,930.13
5. Step 5: Solve for x
   x = 89,281,164,930.13/342,096.72
6. Step 6: Final answer
   x = 260,982.23