Finding the Fourth Proportional to 3,892.33, 5,837.25 and 1,259.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.33 : 5,837.25 = 1,259.28 : x
2. Step 2: Convert to fraction form
   3,892.33/5,837.25 = 1,259.28/x
3. Step 3: Cross multiply
   3,892.33x = 5,837.25 × 1,259.28
4. Step 4: Simplify right side
   3,892.33x = 7,350,736.90
5. Step 5: Solve for x
   x = 7,350,736.90/3,892.33
6. Step 6: Final answer
   x = 1,888.52