Finding the Fourth Proportional to 13,353, 18,426.42 and 7,384.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,353 : 18,426.42 = 7,384.35 : x
2. Step 2: Convert to fraction form
   13,353/18,426.42 = 7,384.35/x
3. Step 3: Cross multiply
   13,353x = 18,426.42 × 7,384.35
4. Step 4: Simplify right side
   13,353x = 136,067,134.53
5. Step 5: Solve for x
   x = 136,067,134.53/13,353
6. Step 6: Final answer
   x = 10,190.00