Finding the Fourth Proportional to 155,782.43, 214,979.82 and 84,162.32

Step by Step Solution

1. Step 1: Write the proportion equation
   155,782.43 : 214,979.82 = 84,162.32 : x
2. Step 2: Convert to fraction form
   155,782.43/214,979.82 = 84,162.32/x
3. Step 3: Cross multiply
   155,782.43x = 214,979.82 × 84,162.32
4. Step 4: Simplify right side
   155,782.43x = 18,093,200,404.38
5. Step 5: Solve for x
   x = 18,093,200,404.38/155,782.43
6. Step 6: Final answer
   x = 116,144.04