Finding the Fourth Proportional to 13,050.24, 19,550.17 and 7,789.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.24 : 19,550.17 = 7,789.45 : x
2. Step 2: Convert to fraction form
   13,050.24/19,550.17 = 7,789.45/x
3. Step 3: Cross multiply
   13,050.24x = 19,550.17 × 7,789.45
4. Step 4: Simplify right side
   13,050.24x = 152,285,071.71
5. Step 5: Solve for x
   x = 152,285,071.71/13,050.24
6. Step 6: Final answer
   x = 11,669.14