Finding the Fourth Proportional to 222,878.64, 334,401.18 and 89,796.65

Step by Step Solution

1. Step 1: Write the proportion equation
   222,878.64 : 334,401.18 = 89,796.65 : x
2. Step 2: Convert to fraction form
   222,878.64/334,401.18 = 89,796.65/x
3. Step 3: Cross multiply
   222,878.64x = 334,401.18 × 89,796.65
4. Step 4: Simplify right side
   222,878.64x = 30,028,105,720.05
5. Step 5: Solve for x
   x = 30,028,105,720.05/222,878.64
6. Step 6: Final answer
   x = 134,728.50