Finding the Fourth Proportional to 13,410.33, 18,506.27 and 7,442.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.33 : 18,506.27 = 7,442.01 : x
2. Step 2: Convert to fraction form
   13,410.33/18,506.27 = 7,442.01/x
3. Step 3: Cross multiply
   13,410.33x = 18,506.27 × 7,442.01
4. Step 4: Simplify right side
   13,410.33x = 137,723,825.97
5. Step 5: Solve for x
   x = 137,723,825.97/13,410.33
6. Step 6: Final answer
   x = 10,269.98