Finding the Fourth Proportional to 1,185.82, 1,635.06 and 975.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.82 : 1,635.06 = 975.22 : x
2. Step 2: Convert to fraction form
   1,185.82/1,635.06 = 975.22/x
3. Step 3: Cross multiply
   1,185.82x = 1,635.06 × 975.22
4. Step 4: Simplify right side
   1,185.82x = 1,594,543.21
5. Step 5: Solve for x
   x = 1,594,543.21/1,185.82
6. Step 6: Final answer
   x = 1,344.68