Finding the Fourth Proportional to 160,967.39, 222,133.39 and 89,345.57

Step by Step Solution

1. Step 1: Write the proportion equation
   160,967.39 : 222,133.39 = 89,345.57 : x
2. Step 2: Convert to fraction form
   160,967.39/222,133.39 = 89,345.57/x
3. Step 3: Cross multiply
   160,967.39x = 222,133.39 × 89,345.57
4. Step 4: Simplify right side
   160,967.39x = 19,846,633,011.55
5. Step 5: Solve for x
   x = 19,846,633,011.55/160,967.39
6. Step 6: Final answer
   x = 123,295.99