Finding the Fourth Proportional to 342,094.73, 472,076.78 and 189,123.18

Step by Step Solution

1. Step 1: Write the proportion equation
   342,094.73 : 472,076.78 = 189,123.18 : x
2. Step 2: Convert to fraction form
   342,094.73/472,076.78 = 189,123.18/x
3. Step 3: Cross multiply
   342,094.73x = 472,076.78 × 189,123.18
4. Step 4: Simplify right side
   342,094.73x = 89,280,660,892.14
5. Step 5: Solve for x
   x = 89,280,660,892.14/342,094.73
6. Step 6: Final answer
   x = 260,982.28