Finding the Fourth Proportional to 8,705.58, 11,967.50 and 7,489.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,705.58 : 11,967.50 = 7,489.82 : x
2. Step 2: Convert to fraction form
   8,705.58/11,967.50 = 7,489.82/x
3. Step 3: Cross multiply
   8,705.58x = 11,967.50 × 7,489.82
4. Step 4: Simplify right side
   8,705.58x = 89,634,383.40
5. Step 5: Solve for x
   x = 89,634,383.40/8,705.58
6. Step 6: Final answer
   x = 10,296.20