Finding the Fourth Proportional to 342,092.48, 472,073.67 and 189,120.93

Step by Step Solution

1. Step 1: Write the proportion equation
   342,092.48 : 472,073.67 = 189,120.93 : x
2. Step 2: Convert to fraction form
   342,092.48/472,073.67 = 189,120.93/x
3. Step 3: Cross multiply
   342,092.48x = 472,073.67 × 189,120.93
4. Step 4: Simplify right side
   342,092.48x = 89,279,011,498.91
5. Step 5: Solve for x
   x = 89,279,011,498.91/342,092.48
6. Step 6: Final answer
   x = 260,979.17