Finding the Fourth Proportional to 1,770.67, 2,443.56 and 974.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.67 : 2,443.56 = 974.02 : x
2. Step 2: Convert to fraction form
   1,770.67/2,443.56 = 974.02/x
3. Step 3: Cross multiply
   1,770.67x = 2,443.56 × 974.02
4. Step 4: Simplify right side
   1,770.67x = 2,380,076.31
5. Step 5: Solve for x
   x = 2,380,076.31/1,770.67
6. Step 6: Final answer
   x = 1,344.17