Finding the Fourth Proportional to 13,394.71, 18,484.50 and 7,426.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,394.71 : 18,484.50 = 7,426.27 : x
2. Step 2: Convert to fraction form
   13,394.71/18,484.50 = 7,426.27/x
3. Step 3: Cross multiply
   13,394.71x = 18,484.50 × 7,426.27
4. Step 4: Simplify right side
   13,394.71x = 137,270,887.82
5. Step 5: Solve for x
   x = 137,270,887.82/13,394.71
6. Step 6: Final answer
   x = 10,248.14