Finding the Fourth Proportional to 9,360.39, 14,035.89 and 3,118.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,360.39 : 14,035.89 = 3,118.21 : x
2. Step 2: Convert to fraction form
   9,360.39/14,035.89 = 3,118.21/x
3. Step 3: Cross multiply
   9,360.39x = 14,035.89 × 3,118.21
4. Step 4: Simplify right side
   9,360.39x = 43,766,817.47
5. Step 5: Solve for x
   x = 43,766,817.47/9,360.39
6. Step 6: Final answer
   x = 4,675.75