Finding the Fourth Proportional to 9,367.49, 12,926.17 and 5,387.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,367.49 : 12,926.17 = 5,387.83 : x
2. Step 2: Convert to fraction form
   9,367.49/12,926.17 = 5,387.83/x
3. Step 3: Cross multiply
   9,367.49x = 12,926.17 × 5,387.83
4. Step 4: Simplify right side
   9,367.49x = 69,644,006.51
5. Step 5: Solve for x
   x = 69,644,006.51/9,367.49
6. Step 6: Final answer
   x = 7,434.65