Finding the Fourth Proportional to 13,443.23, 18,551.73 and 7,475.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443.23 : 18,551.73 = 7,475.46 : x
2. Step 2: Convert to fraction form
   13,443.23/18,551.73 = 7,475.46/x
3. Step 3: Cross multiply
   13,443.23x = 18,551.73 × 7,475.46
4. Step 4: Simplify right side
   13,443.23x = 138,682,674.01
5. Step 5: Solve for x
   x = 138,682,674.01/13,443.23
6. Step 6: Final answer
   x = 10,316.17