Finding the Fourth Proportional to 9,017.82, 12,462.57 and 7,705.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,017.82 : 12,462.57 = 7,705.62 : x
2. Step 2: Convert to fraction form
   9,017.82/12,462.57 = 7,705.62/x
3. Step 3: Cross multiply
   9,017.82x = 12,462.57 × 7,705.62
4. Step 4: Simplify right side
   9,017.82x = 96,031,828.64
5. Step 5: Solve for x
   x = 96,031,828.64/9,017.82
6. Step 6: Final answer
   x = 10,649.12