Finding the Fourth Proportional to 1,418.42, 1,956.33 and 1,259.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.42 : 1,956.33 = 1,259.07 : x
2. Step 2: Convert to fraction form
   1,418.42/1,956.33 = 1,259.07/x
3. Step 3: Cross multiply
   1,418.42x = 1,956.33 × 1,259.07
4. Step 4: Simplify right side
   1,418.42x = 2,463,156.41
5. Step 5: Solve for x
   x = 2,463,156.41/1,418.42
6. Step 6: Final answer
   x = 1,736.55