Finding the Fourth Proportional to 13,404.88, 18,499.87 and 7,436.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.88 : 18,499.87 = 7,436.45 : x
2. Step 2: Convert to fraction form
   13,404.88/18,499.87 = 7,436.45/x
3. Step 3: Cross multiply
   13,404.88x = 18,499.87 × 7,436.45
4. Step 4: Simplify right side
   13,404.88x = 137,573,307.25
5. Step 5: Solve for x
   x = 137,573,307.25/13,404.88
6. Step 6: Final answer
   x = 10,262.92