Finding the Fourth Proportional to 160,979.95, 222,141.22 and 89,354.34

Step by Step Solution

1. Step 1: Write the proportion equation
   160,979.95 : 222,141.22 = 89,354.34 : x
2. Step 2: Convert to fraction form
   160,979.95/222,141.22 = 89,354.34/x
3. Step 3: Cross multiply
   160,979.95x = 222,141.22 × 89,354.34
4. Step 4: Simplify right side
   160,979.95x = 19,849,282,099.89
5. Step 5: Solve for x
   x = 19,849,282,099.89/160,979.95
6. Step 6: Final answer
   x = 123,302.82