Finding the Fourth Proportional to 13,080.21, 19,594.72 and 10,453.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080.21 : 19,594.72 = 10,453.24 : x
2. Step 2: Convert to fraction form
   13,080.21/19,594.72 = 10,453.24/x
3. Step 3: Cross multiply
   13,080.21x = 19,594.72 × 10,453.24
4. Step 4: Simplify right side
   13,080.21x = 204,828,310.89
5. Step 5: Solve for x
   x = 204,828,310.89/13,080.21
6. Step 6: Final answer
   x = 15,659.41