Finding the Fourth Proportional to 1,893.95, 2,613.78 and 1,264.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.95 : 2,613.78 = 1,264.08 : x
2. Step 2: Convert to fraction form
   1,893.95/2,613.78 = 1,264.08/x
3. Step 3: Cross multiply
   1,893.95x = 2,613.78 × 1,264.08
4. Step 4: Simplify right side
   1,893.95x = 3,304,036.82
5. Step 5: Solve for x
   x = 3,304,036.82/1,893.95
6. Step 6: Final answer
   x = 1,744.52