Finding the Fourth Proportional to 13,410.84, 18,507.02 and 7,443.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.84 : 18,507.02 = 7,443.37 : x
2. Step 2: Convert to fraction form
   13,410.84/18,507.02 = 7,443.37/x
3. Step 3: Cross multiply
   13,410.84x = 18,507.02 × 7,443.37
4. Step 4: Simplify right side
   13,410.84x = 137,754,583.37
5. Step 5: Solve for x
   x = 137,754,583.37/13,410.84
6. Step 6: Final answer
   x = 10,271.88