Finding the Fourth Proportional to 9,400.91, 12,969.83 and 5,624.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,400.91 : 12,969.83 = 5,624.19 : x
2. Step 2: Convert to fraction form
   9,400.91/12,969.83 = 5,624.19/x
3. Step 3: Cross multiply
   9,400.91x = 12,969.83 × 5,624.19
4. Step 4: Simplify right side
   9,400.91x = 72,944,721.98
5. Step 5: Solve for x
   x = 72,944,721.98/9,400.91
6. Step 6: Final answer
   x = 7,759.32