Finding the Fourth Proportional to 1,677.56, 2,314.98 and 969.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677.56 : 2,314.98 = 969.40 : x
2. Step 2: Convert to fraction form
   1,677.56/2,314.98 = 969.40/x
3. Step 3: Cross multiply
   1,677.56x = 2,314.98 × 969.40
4. Step 4: Simplify right side
   1,677.56x = 2,244,141.61
5. Step 5: Solve for x
   x = 2,244,141.61/1,677.56
6. Step 6: Final answer
   x = 1,337.74