Finding the Fourth Proportional to 15,548.56, 21,449.82 and 10,375.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,548.56 : 21,449.82 = 10,375.72 : x
2. Step 2: Convert to fraction form
   15,548.56/21,449.82 = 10,375.72/x
3. Step 3: Cross multiply
   15,548.56x = 21,449.82 × 10,375.72
4. Step 4: Simplify right side
   15,548.56x = 222,557,326.37
5. Step 5: Solve for x
   x = 222,557,326.37/15,548.56
6. Step 6: Final answer
   x = 14,313.69