Finding the Fourth Proportional to 13,818.38, 19,069.37 and 7,530.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,818.38 : 19,069.37 = 7,530.75 : x
2. Step 2: Convert to fraction form
   13,818.38/19,069.37 = 7,530.75/x
3. Step 3: Cross multiply
   13,818.38x = 19,069.37 × 7,530.75
4. Step 4: Simplify right side
   13,818.38x = 143,606,620.47
5. Step 5: Solve for x
   x = 143,606,620.47/13,818.38
6. Step 6: Final answer
   x = 10,392.44