Finding the Fourth Proportional to 210,078.88, 290,050.82 and 161,594.71

Step by Step Solution

1. Step 1: Write the proportion equation
   210,078.88 : 290,050.82 = 161,594.71 : x
2. Step 2: Convert to fraction form
   210,078.88/290,050.82 = 161,594.71/x
3. Step 3: Cross multiply
   210,078.88x = 290,050.82 × 161,594.71
4. Step 4: Simplify right side
   210,078.88x = 46,870,678,143.16
5. Step 5: Solve for x
   x = 46,870,678,143.16/210,078.88
6. Step 6: Final answer
   x = 223,109.90