Finding the Fourth Proportional to 9,426.47, 13,009.56 and 5,393.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.47 : 13,009.56 = 5,393.67 : x
2. Step 2: Convert to fraction form
   9,426.47/13,009.56 = 5,393.67/x
3. Step 3: Cross multiply
   9,426.47x = 13,009.56 × 5,393.67
4. Step 4: Simplify right side
   9,426.47x = 70,169,273.49
5. Step 5: Solve for x
   x = 70,169,273.49/9,426.47
6. Step 6: Final answer
   x = 7,443.85