Finding the Fourth Proportional to 3,111.68, 4,664.82 and 1,264.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.68 : 4,664.82 = 1,264.34 : x
2. Step 2: Convert to fraction form
   3,111.68/4,664.82 = 1,264.34/x
3. Step 3: Cross multiply
   3,111.68x = 4,664.82 × 1,264.34
4. Step 4: Simplify right side
   3,111.68x = 5,897,918.52
5. Step 5: Solve for x
   x = 5,897,918.52/3,111.68
6. Step 6: Final answer
   x = 1,895.41