Finding the Fourth Proportional to 13,947.98, 19,248.15 and 7,574.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,947.98 : 19,248.15 = 7,574.52 : x
2. Step 2: Convert to fraction form
   13,947.98/19,248.15 = 7,574.52/x
3. Step 3: Cross multiply
   13,947.98x = 19,248.15 × 7,574.52
4. Step 4: Simplify right side
   13,947.98x = 145,795,555.73
5. Step 5: Solve for x
   x = 145,795,555.73/13,947.98
6. Step 6: Final answer
   x = 10,452.81