Finding the Fourth Proportional to 342,150.88, 472,154.16 and 189,179.32

Step by Step Solution

1. Step 1: Write the proportion equation
   342,150.88 : 472,154.16 = 189,179.32 : x
2. Step 2: Convert to fraction form
   342,150.88/472,154.16 = 189,179.32/x
3. Step 3: Cross multiply
   342,150.88x = 472,154.16 × 189,179.32
4. Step 4: Simplify right side
   342,150.88x = 89,321,802,923.97
5. Step 5: Solve for x
   x = 89,321,802,923.97/342,150.88
6. Step 6: Final answer
   x = 261,059.69