Finding the Fourth Proportional to 13,441.77, 18,547.89 and 7,472.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,441.77 : 18,547.89 = 7,472.25 : x
2. Step 2: Convert to fraction form
   13,441.77/18,547.89 = 7,472.25/x
3. Step 3: Cross multiply
   13,441.77x = 18,547.89 × 7,472.25
4. Step 4: Simplify right side
   13,441.77x = 138,594,443.03
5. Step 5: Solve for x
   x = 138,594,443.03/13,441.77
6. Step 6: Final answer
   x = 10,310.73