Finding the Fourth Proportional to 13,287.42, 19,930.32 and 5,496.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,287.42 : 19,930.32 = 5,496.03 : x
2. Step 2: Convert to fraction form
   13,287.42/19,930.32 = 5,496.03/x
3. Step 3: Cross multiply
   13,287.42x = 19,930.32 × 5,496.03
4. Step 4: Simplify right side
   13,287.42x = 109,537,636.63
5. Step 5: Solve for x
   x = 109,537,636.63/13,287.42
6. Step 6: Final answer
   x = 8,243.71