Finding the Fourth Proportional to 13,404.69, 18,497.30 and 7,436.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.69 : 18,497.30 = 7,436.75 : x
2. Step 2: Convert to fraction form
   13,404.69/18,497.30 = 7,436.75/x
3. Step 3: Cross multiply
   13,404.69x = 18,497.30 × 7,436.75
4. Step 4: Simplify right side
   13,404.69x = 137,559,666.10
5. Step 5: Solve for x
   x = 137,559,666.10/13,404.69
6. Step 6: Final answer
   x = 10,262.06