Finding the Fourth Proportional to 13,307.31, 19,974.18 and 7,067.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,307.31 : 19,974.18 = 7,067.38 : x
2. Step 2: Convert to fraction form
   13,307.31/19,974.18 = 7,067.38/x
3. Step 3: Cross multiply
   13,307.31x = 19,974.18 × 7,067.38
4. Step 4: Simplify right side
   13,307.31x = 141,165,038.34
5. Step 5: Solve for x
   x = 141,165,038.34/13,307.31
6. Step 6: Final answer
   x = 10,608.08