Finding the Fourth Proportional to 1,407.55, 1,941.69 and 982

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407.55 : 1,941.69 = 982 : x
2. Step 2: Convert to fraction form
   1,407.55/1,941.69 = 982/x
3. Step 3: Cross multiply
   1,407.55x = 1,941.69 × 982
4. Step 4: Simplify right side
   1,407.55x = 1,906,739.58
5. Step 5: Solve for x
   x = 1,906,739.58/1,407.55
6. Step 6: Final answer
   x = 1,354.65