Finding the Fourth Proportional to 342,472.86, 472,613.00 and 189,517.46

Step by Step Solution

1. Step 1: Write the proportion equation
   342,472.86 : 472,613.00 = 189,517.46 : x
2. Step 2: Convert to fraction form
   342,472.86/472,613.00 = 189,517.46/x
3. Step 3: Cross multiply
   342,472.86x = 472,613.00 × 189,517.46
4. Step 4: Simplify right side
   342,472.86x = 89,568,412,012.33
5. Step 5: Solve for x
   x = 89,568,412,012.33/342,472.86
6. Step 6: Final answer
   x = 261,534.34