Finding the Fourth Proportional to 1,018.22, 1,525.98 and 949.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.22 : 1,525.98 = 949.10 : x
2. Step 2: Convert to fraction form
   1,018.22/1,525.98 = 949.10/x
3. Step 3: Cross multiply
   1,018.22x = 1,525.98 × 949.10
4. Step 4: Simplify right side
   1,018.22x = 1,448,307.62
5. Step 5: Solve for x
   x = 1,448,307.62/1,018.22
6. Step 6: Final answer
   x = 1,422.39