Finding the Fourth Proportional to 10,636.25, 14,678.03 and 5,920.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,636.25 : 14,678.03 = 5,920.84 : x
2. Step 2: Convert to fraction form
   10,636.25/14,678.03 = 5,920.84/x
3. Step 3: Cross multiply
   10,636.25x = 14,678.03 × 5,920.84
4. Step 4: Simplify right side
   10,636.25x = 86,906,164.15
5. Step 5: Solve for x
   x = 86,906,164.15/10,636.25
6. Step 6: Final answer
   x = 8,170.75