Finding the Fourth Proportional to 9,907.38, 13,667.13 and 7,545.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.38 : 13,667.13 = 7,545.42 : x
2. Step 2: Convert to fraction form
   9,907.38/13,667.13 = 7,545.42/x
3. Step 3: Cross multiply
   9,907.38x = 13,667.13 × 7,545.42
4. Step 4: Simplify right side
   9,907.38x = 103,124,236.04
5. Step 5: Solve for x
   x = 103,124,236.04/9,907.38
6. Step 6: Final answer
   x = 10,408.83