Finding the Fourth Proportional to 13,818.09, 19,069.34 and 7,530.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,818.09 : 19,069.34 = 7,530.87 : x
2. Step 2: Convert to fraction form
   13,818.09/19,069.34 = 7,530.87/x
3. Step 3: Cross multiply
   13,818.09x = 19,069.34 × 7,530.87
4. Step 4: Simplify right side
   13,818.09x = 143,608,682.87
5. Step 5: Solve for x
   x = 143,608,682.87/13,818.09
6. Step 6: Final answer
   x = 10,392.80