Finding the Fourth Proportional to 1,300.92, 1,952.18 and 1,290.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.92 : 1,952.18 = 1,290.52 : x
2. Step 2: Convert to fraction form
   1,300.92/1,952.18 = 1,290.52/x
3. Step 3: Cross multiply
   1,300.92x = 1,952.18 × 1,290.52
4. Step 4: Simplify right side
   1,300.92x = 2,519,327.33
5. Step 5: Solve for x
   x = 2,519,327.33/1,300.92
6. Step 6: Final answer
   x = 1,936.57