Finding the Fourth Proportional to 13,788.35, 19,027.82 and 7,500.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,788.35 : 19,027.82 = 7,500.72 : x
2. Step 2: Convert to fraction form
   13,788.35/19,027.82 = 7,500.72/x
3. Step 3: Cross multiply
   13,788.35x = 19,027.82 × 7,500.72
4. Step 4: Simplify right side
   13,788.35x = 142,722,350.03
5. Step 5: Solve for x
   x = 142,722,350.03/13,788.35
6. Step 6: Final answer
   x = 10,350.94