Finding the Fourth Proportional to 1,677.90, 2,314.82 and 969.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677.90 : 2,314.82 = 969.60 : x
2. Step 2: Convert to fraction form
   1,677.90/2,314.82 = 969.60/x
3. Step 3: Cross multiply
   1,677.90x = 2,314.82 × 969.60
4. Step 4: Simplify right side
   1,677.90x = 2,244,444.62
5. Step 5: Solve for x
   x = 2,244,444.62/1,677.90
6. Step 6: Final answer
   x = 1,337.65