Finding the Fourth Proportional to 9,426.38, 13,009.55 and 5,447.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.38 : 13,009.55 = 5,447.52 : x
2. Step 2: Convert to fraction form
   9,426.38/13,009.55 = 5,447.52/x
3. Step 3: Cross multiply
   9,426.38x = 13,009.55 × 5,447.52
4. Step 4: Simplify right side
   9,426.38x = 70,869,756.58
5. Step 5: Solve for x
   x = 70,869,756.58/9,426.38
6. Step 6: Final answer
   x = 7,518.24