Finding the Fourth Proportional to 161,298.84, 222,597.54 and 89,681.88

Step by Step Solution

1. Step 1: Write the proportion equation
   161,298.84 : 222,597.54 = 89,681.88 : x
2. Step 2: Convert to fraction form
   161,298.84/222,597.54 = 89,681.88/x
3. Step 3: Cross multiply
   161,298.84x = 222,597.54 × 89,681.88
4. Step 4: Simplify right side
   161,298.84x = 19,962,965,870.58
5. Step 5: Solve for x
   x = 19,962,965,870.58/161,298.84
6. Step 6: Final answer
   x = 123,763.85