Finding the Fourth Proportional to 342,181.41, 472,213.43 and 189,229.98

Step by Step Solution

1. Step 1: Write the proportion equation
   342,181.41 : 472,213.43 = 189,229.98 : x
2. Step 2: Convert to fraction form
   342,181.41/472,213.43 = 189,229.98/x
3. Step 3: Cross multiply
   342,181.41x = 472,213.43 × 189,229.98
4. Step 4: Simplify right side
   342,181.41x = 89,356,936,968.48
5. Step 5: Solve for x
   x = 89,356,936,968.48/342,181.41
6. Step 6: Final answer
   x = 261,139.08