Finding the Fourth Proportional to 9,113.50, 13,675.72 and 3,919.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.50 : 13,675.72 = 3,919.38 : x
2. Step 2: Convert to fraction form
   9,113.50/13,675.72 = 3,919.38/x
3. Step 3: Cross multiply
   9,113.50x = 13,675.72 × 3,919.38
4. Step 4: Simplify right side
   9,113.50x = 53,600,343.45
5. Step 5: Solve for x
   x = 53,600,343.45/9,113.50
6. Step 6: Final answer
   x = 5,881.42