Finding the Fourth Proportional to 342,933.98, 473,243.76 and 189,971.71

Step by Step Solution

1. Step 1: Write the proportion equation
   342,933.98 : 473,243.76 = 189,971.71 : x
2. Step 2: Convert to fraction form
   342,933.98/473,243.76 = 189,971.71/x
3. Step 3: Cross multiply
   342,933.98x = 473,243.76 × 189,971.71
4. Step 4: Simplify right side
   342,933.98x = 89,902,925,150.92
5. Step 5: Solve for x
   x = 89,902,925,150.92/342,933.98
6. Step 6: Final answer
   x = 262,158.12