Finding the Fourth Proportional to 1,374.90, 1,897.32 and 982.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.90 : 1,897.32 = 982.58 : x
2. Step 2: Convert to fraction form
   1,374.90/1,897.32 = 982.58/x
3. Step 3: Cross multiply
   1,374.90x = 1,897.32 × 982.58
4. Step 4: Simplify right side
   1,374.90x = 1,864,268.69
5. Step 5: Solve for x
   x = 1,864,268.69/1,374.90
6. Step 6: Final answer
   x = 1,355.93