Finding the Fourth Proportional to 13,410.33, 18,506.02 and 7,442.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.33 : 18,506.02 = 7,442.25 : x
2. Step 2: Convert to fraction form
   13,410.33/18,506.02 = 7,442.25/x
3. Step 3: Cross multiply
   13,410.33x = 18,506.02 × 7,442.25
4. Step 4: Simplify right side
   13,410.33x = 137,726,353.30
5. Step 5: Solve for x
   x = 137,726,353.30/13,410.33
6. Step 6: Final answer
   x = 10,270.17