Finding the Fourth Proportional to 13,787.72, 19,027.56 and 7,500.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,787.72 : 19,027.56 = 7,500.56 : x
2. Step 2: Convert to fraction form
   13,787.72/19,027.56 = 7,500.56/x
3. Step 3: Cross multiply
   13,787.72x = 19,027.56 × 7,500.56
4. Step 4: Simplify right side
   13,787.72x = 142,717,355.43
5. Step 5: Solve for x
   x = 142,717,355.43/13,787.72
6. Step 6: Final answer
   x = 10,351.05