Finding the Fourth Proportional to 23,094.80, 34,579.62 and 11,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,094.80 : 34,579.62 = 11,978.18 : x
2. Step 2: Convert to fraction form
   23,094.80/34,579.62 = 11,978.18/x
3. Step 3: Cross multiply
   23,094.80x = 34,579.62 × 11,978.18
4. Step 4: Simplify right side
   23,094.80x = 414,200,912.69
5. Step 5: Solve for x
   x = 414,200,912.69/23,094.80
6. Step 6: Final answer
   x = 17,934.81