Finding the Fourth Proportional to 13,404.17, 18,496.92 and 7,435.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.17 : 18,496.92 = 7,435.48 : x
2. Step 2: Convert to fraction form
   13,404.17/18,496.92 = 7,435.48/x
3. Step 3: Cross multiply
   13,404.17x = 18,496.92 × 7,435.48
4. Step 4: Simplify right side
   13,404.17x = 137,533,478.72
5. Step 5: Solve for x
   x = 137,533,478.72/13,404.17
6. Step 6: Final answer
   x = 10,260.50