Finding the Fourth Proportional to 342,627.93, 472,820.82 and 189,662.88

Step by Step Solution

1. Step 1: Write the proportion equation
   342,627.93 : 472,820.82 = 189,662.88 : x
2. Step 2: Convert to fraction form
   342,627.93/472,820.82 = 189,662.88/x
3. Step 3: Cross multiply
   342,627.93x = 472,820.82 × 189,662.88
4. Step 4: Simplify right side
   342,627.93x = 89,676,557,496.85
5. Step 5: Solve for x
   x = 89,676,557,496.85/342,627.93
6. Step 6: Final answer
   x = 261,731.61