Finding the Fourth Proportional to 2,649.31, 3,971.39 and 1,262.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.31 : 3,971.39 = 1,262.28 : x
2. Step 2: Convert to fraction form
   2,649.31/3,971.39 = 1,262.28/x
3. Step 3: Cross multiply
   2,649.31x = 3,971.39 × 1,262.28
4. Step 4: Simplify right side
   2,649.31x = 5,012,980.00
5. Step 5: Solve for x
   x = 5,012,980.00/2,649.31
6. Step 6: Final answer
   x = 1,892.18