Finding the Fourth Proportional to 13,947.27, 19,247.00 and 7,659.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,947.27 : 19,247.00 = 7,659.51 : x
2. Step 2: Convert to fraction form
   13,947.27/19,247.00 = 7,659.51/x
3. Step 3: Cross multiply
   13,947.27x = 19,247.00 × 7,659.51
4. Step 4: Simplify right side
   13,947.27x = 147,422,550.67
5. Step 5: Solve for x
   x = 147,422,550.67/13,947.27
6. Step 6: Final answer
   x = 10,569.99