Finding the Fourth Proportional to 342,124.29, 472,112.42 and 189,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,124.29 : 472,112.42 = 189,153.50 : x
2. Step 2: Convert to fraction form
   342,124.29/472,112.42 = 189,153.50/x
3. Step 3: Cross multiply
   342,124.29x = 472,112.42 × 189,153.50
4. Step 4: Simplify right side
   342,124.29x = 89,301,713,330.14
5. Step 5: Solve for x
   x = 89,301,713,330.14/342,124.29
6. Step 6: Final answer
   x = 261,021.26