Finding the Fourth Proportional to 12,068.78, 18,096.44 and 6,142.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,068.78 : 18,096.44 = 6,142.01 : x
2. Step 2: Convert to fraction form
   12,068.78/18,096.44 = 6,142.01/x
3. Step 3: Cross multiply
   12,068.78x = 18,096.44 × 6,142.01
4. Step 4: Simplify right side
   12,068.78x = 111,148,394.25
5. Step 5: Solve for x
   x = 111,148,394.25/12,068.78
6. Step 6: Final answer
   x = 9,209.58