Finding the Fourth Proportional to 325,843.32, 488,765.50 and 89,168.34

Step by Step Solution

1. Step 1: Write the proportion equation
   325,843.32 : 488,765.50 = 89,168.34 : x
2. Step 2: Convert to fraction form
   325,843.32/488,765.50 = 89,168.34/x
3. Step 3: Cross multiply
   325,843.32x = 488,765.50 × 89,168.34
4. Step 4: Simplify right side
   325,843.32x = 43,582,408,284.27
5. Step 5: Solve for x
   x = 43,582,408,284.27/325,843.32
6. Step 6: Final answer
   x = 133,752.65