Finding the Fourth Proportional to 13,404.74, 18,498.38 and 7,436.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.74 : 18,498.38 = 7,436.34 : x
2. Step 2: Convert to fraction form
   13,404.74/18,498.38 = 7,436.34/x
3. Step 3: Cross multiply
   13,404.74x = 18,498.38 × 7,436.34
4. Step 4: Simplify right side
   13,404.74x = 137,560,205.95
5. Step 5: Solve for x
   x = 137,560,205.95/13,404.74
6. Step 6: Final answer
   x = 10,262.06