Finding the Fourth Proportional to 325,940.22, 488,910.72 and 89,284.94

Step by Step Solution

1. Step 1: Write the proportion equation
   325,940.22 : 488,910.72 = 89,284.94 : x
2. Step 2: Convert to fraction form
   325,940.22/488,910.72 = 89,284.94/x
3. Step 3: Cross multiply
   325,940.22x = 488,910.72 × 89,284.94
4. Step 4: Simplify right side
   325,940.22x = 43,652,364,300.56
5. Step 5: Solve for x
   x = 43,652,364,300.56/325,940.22
6. Step 6: Final answer
   x = 133,927.52