Finding the Fourth Proportional to 1,264.88, 1,893.72 and 957.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.88 : 1,893.72 = 957.98 : x
2. Step 2: Convert to fraction form
   1,264.88/1,893.72 = 957.98/x
3. Step 3: Cross multiply
   1,264.88x = 1,893.72 × 957.98
4. Step 4: Simplify right side
   1,264.88x = 1,814,145.89
5. Step 5: Solve for x
   x = 1,814,145.89/1,264.88
6. Step 6: Final answer
   x = 1,434.24