Finding the Fourth Proportional to 13,498.22, 18,627.41 and 7,448.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.22 : 18,627.41 = 7,448.51 : x
2. Step 2: Convert to fraction form
   13,498.22/18,627.41 = 7,448.51/x
3. Step 3: Cross multiply
   13,498.22x = 18,627.41 × 7,448.51
4. Step 4: Simplify right side
   13,498.22x = 138,746,467.71
5. Step 5: Solve for x
   x = 138,746,467.71/13,498.22
6. Step 6: Final answer
   x = 10,278.87