Finding the Fourth Proportional to 8,698.05, 11,994.23 and 7,443.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,698.05 : 11,994.23 = 7,443.25 : x
2. Step 2: Convert to fraction form
   8,698.05/11,994.23 = 7,443.25/x
3. Step 3: Cross multiply
   8,698.05x = 11,994.23 × 7,443.25
4. Step 4: Simplify right side
   8,698.05x = 89,276,041.07
5. Step 5: Solve for x
   x = 89,276,041.07/8,698.05
6. Step 6: Final answer
   x = 10,263.91