Finding the Fourth Proportional to 89,074.89, 122,851.69 and 68,986.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,074.89 : 122,851.69 = 68,986.08 : x
2. Step 2: Convert to fraction form
   89,074.89/122,851.69 = 68,986.08/x
3. Step 3: Cross multiply
   89,074.89x = 122,851.69 × 68,986.08
4. Step 4: Simplify right side
   89,074.89x = 8,475,056,342.01
5. Step 5: Solve for x
   x = 8,475,056,342.01/89,074.89
6. Step 6: Final answer
   x = 95,145.29