Finding the Fourth Proportional to 7,802.81, 10,767.89 and 4,266.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,802.81 : 10,767.89 = 4,266.05 : x
2. Step 2: Convert to fraction form
   7,802.81/10,767.89 = 4,266.05/x
3. Step 3: Cross multiply
   7,802.81x = 10,767.89 × 4,266.05
4. Step 4: Simplify right side
   7,802.81x = 45,936,362.72
5. Step 5: Solve for x
   x = 45,936,362.72/7,802.81
6. Step 6: Final answer
   x = 5,887.15