Finding the Fourth Proportional to 1,796.34, 2,692.12 and 870.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.34 : 2,692.12 = 870.05 : x
2. Step 2: Convert to fraction form
   1,796.34/2,692.12 = 870.05/x
3. Step 3: Cross multiply
   1,796.34x = 2,692.12 × 870.05
4. Step 4: Simplify right side
   1,796.34x = 2,342,279.01
5. Step 5: Solve for x
   x = 2,342,279.01/1,796.34
6. Step 6: Final answer
   x = 1,303.92