Finding the Fourth Proportional to 2,311.98, 3,467.40 and 926.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.98 : 3,467.40 = 926.34 : x
2. Step 2: Convert to fraction form
   2,311.98/3,467.40 = 926.34/x
3. Step 3: Cross multiply
   2,311.98x = 3,467.40 × 926.34
4. Step 4: Simplify right side
   2,311.98x = 3,211,991.32
5. Step 5: Solve for x
   x = 3,211,991.32/2,311.98
6. Step 6: Final answer
   x = 1,389.28