Finding the Fourth Proportional to 13,789.05, 19,028.34 and 7,501.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,789.05 : 19,028.34 = 7,501.43 : x
2. Step 2: Convert to fraction form
   13,789.05/19,028.34 = 7,501.43/x
3. Step 3: Cross multiply
   13,789.05x = 19,028.34 × 7,501.43
4. Step 4: Simplify right side
   13,789.05x = 142,739,760.53
5. Step 5: Solve for x
   x = 142,739,760.53/13,789.05
6. Step 6: Final answer
   x = 10,351.67