Finding the Fourth Proportional to 9,942.32, 13,719.54 and 5,466.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942.32 : 13,719.54 = 5,466.08 : x
2. Step 2: Convert to fraction form
   9,942.32/13,719.54 = 5,466.08/x
3. Step 3: Cross multiply
   9,942.32x = 13,719.54 × 5,466.08
4. Step 4: Simplify right side
   9,942.32x = 74,992,103.20
5. Step 5: Solve for x
   x = 74,992,103.20/9,942.32
6. Step 6: Final answer
   x = 7,542.72