Finding the Fourth Proportional to 13,933.06, 19,227.57 and 7,645.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,933.06 : 19,227.57 = 7,645.54 : x
2. Step 2: Convert to fraction form
   13,933.06/19,227.57 = 7,645.54/x
3. Step 3: Cross multiply
   13,933.06x = 19,227.57 × 7,645.54
4. Step 4: Simplify right side
   13,933.06x = 147,005,155.54
5. Step 5: Solve for x
   x = 147,005,155.54/13,933.06
6. Step 6: Final answer
   x = 10,550.82