Finding the Fourth Proportional to 342,109.98, 472,092.73 and 189,139.24

Step by Step Solution

1. Step 1: Write the proportion equation
   342,109.98 : 472,092.73 = 189,139.24 : x
2. Step 2: Convert to fraction form
   342,109.98/472,092.73 = 189,139.24/x
3. Step 3: Cross multiply
   342,109.98x = 472,092.73 × 189,139.24
4. Step 4: Simplify right side
   342,109.98x = 89,291,260,988.27
5. Step 5: Solve for x
   x = 89,291,260,988.27/342,109.98
6. Step 6: Final answer
   x = 261,001.62