Finding the Fourth Proportional to 1,796.84, 2,692.86 and 870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.84 : 2,692.86 = 870.56 : x
2. Step 2: Convert to fraction form
   1,796.84/2,692.86 = 870.56/x
3. Step 3: Cross multiply
   1,796.84x = 2,692.86 × 870.56
4. Step 4: Simplify right side
   1,796.84x = 2,344,296.20
5. Step 5: Solve for x
   x = 2,344,296.20/1,796.84
6. Step 6: Final answer
   x = 1,304.68