Finding the Fourth Proportional to 3,802.68, 5,262.10 and 3,242.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802.68 : 5,262.10 = 3,242.28 : x
2. Step 2: Convert to fraction form
   3,802.68/5,262.10 = 3,242.28/x
3. Step 3: Cross multiply
   3,802.68x = 5,262.10 × 3,242.28
4. Step 4: Simplify right side
   3,802.68x = 17,061,201.59
5. Step 5: Solve for x
   x = 17,061,201.59/3,802.68
6. Step 6: Final answer
   x = 4,486.63