Finding the Fourth Proportional to 2,314.84, 3,468.78 and 926.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.84 : 3,468.78 = 926.80 : x
2. Step 2: Convert to fraction form
   2,314.84/3,468.78 = 926.80/x
3. Step 3: Cross multiply
   2,314.84x = 3,468.78 × 926.80
4. Step 4: Simplify right side
   2,314.84x = 3,214,865.30
5. Step 5: Solve for x
   x = 3,214,865.30/2,314.84
6. Step 6: Final answer
   x = 1,388.81