Finding the Fourth Proportional to 13,972.59, 19,272.41 and 9,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,972.59 : 19,272.41 = 9,488.56 : x
2. Step 2: Convert to fraction form
   13,972.59/19,272.41 = 9,488.56/x
3. Step 3: Cross multiply
   13,972.59x = 19,272.41 × 9,488.56
4. Step 4: Simplify right side
   13,972.59x = 182,867,448.10
5. Step 5: Solve for x
   x = 182,867,448.10/13,972.59
6. Step 6: Final answer
   x = 13,087.58