Finding the Fourth Proportional to 342,060.27, 472,039.98 and 189,102.42

Step by Step Solution

1. Step 1: Write the proportion equation
   342,060.27 : 472,039.98 = 189,102.42 : x
2. Step 2: Convert to fraction form
   342,060.27/472,039.98 = 189,102.42/x
3. Step 3: Cross multiply
   342,060.27x = 472,039.98 × 189,102.42
4. Step 4: Simplify right side
   342,060.27x = 89,263,902,554.75
5. Step 5: Solve for x
   x = 89,263,902,554.75/342,060.27
6. Step 6: Final answer
   x = 260,959.57