Finding the Fourth Proportional to 5,802.89, 8,736.17 and 3,965.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,802.89 : 8,736.17 = 3,965.81 : x
2. Step 2: Convert to fraction form
   5,802.89/8,736.17 = 3,965.81/x
3. Step 3: Cross multiply
   5,802.89x = 8,736.17 × 3,965.81
4. Step 4: Simplify right side
   5,802.89x = 34,645,926.84
5. Step 5: Solve for x
   x = 34,645,926.84/5,802.89
6. Step 6: Final answer
   x = 5,970.47