Finding the Fourth Proportional to 160,978.95, 222,139.84 and 89,353.34

Step by Step Solution

1. Step 1: Write the proportion equation
   160,978.95 : 222,139.84 = 89,353.34 : x
2. Step 2: Convert to fraction form
   160,978.95/222,139.84 = 89,353.34/x
3. Step 3: Cross multiply
   160,978.95x = 222,139.84 × 89,353.34
4. Step 4: Simplify right side
   160,978.95x = 19,848,935,944.08
5. Step 5: Solve for x
   x = 19,848,935,944.08/160,978.95
6. Step 6: Final answer
   x = 123,301.44