Finding the Fourth Proportional to 13,404.96, 18,498.03 and 7,436.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.96 : 18,498.03 = 7,436.28 : x
2. Step 2: Convert to fraction form
   13,404.96/18,498.03 = 7,436.28/x
3. Step 3: Cross multiply
   13,404.96x = 18,498.03 × 7,436.28
4. Step 4: Simplify right side
   13,404.96x = 137,556,530.53
5. Step 5: Solve for x
   x = 137,556,530.53/13,404.96
6. Step 6: Final answer
   x = 10,261.61