Finding the Fourth Proportional to 13,789.82, 19,029.86 and 7,502.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,789.82 : 19,029.86 = 7,502.20 : x
2. Step 2: Convert to fraction form
   13,789.82/19,029.86 = 7,502.20/x
3. Step 3: Cross multiply
   13,789.82x = 19,029.86 × 7,502.20
4. Step 4: Simplify right side
   13,789.82x = 142,765,815.69
5. Step 5: Solve for x
   x = 142,765,815.69/13,789.82
6. Step 6: Final answer
   x = 10,352.99