Finding the Fourth Proportional to 342,814.98, 473,086.71 and 189,857.82

Step by Step Solution

1. Step 1: Write the proportion equation
   342,814.98 : 473,086.71 = 189,857.82 : x
2. Step 2: Convert to fraction form
   342,814.98/473,086.71 = 189,857.82/x
3. Step 3: Cross multiply
   342,814.98x = 473,086.71 × 189,857.82
4. Step 4: Simplify right side
   342,814.98x = 89,819,211,431.57
5. Step 5: Solve for x
   x = 89,819,211,431.57/342,814.98
6. Step 6: Final answer
   x = 262,004.92