Finding the Fourth Proportional to 2,219.98, 3,064.80 and 1,336

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.98 : 3,064.80 = 1,336 : x
2. Step 2: Convert to fraction form
   2,219.98/3,064.80 = 1,336/x
3. Step 3: Cross multiply
   2,219.98x = 3,064.80 × 1,336
4. Step 4: Simplify right side
   2,219.98x = 4,094,572.80
5. Step 5: Solve for x
   x = 4,094,572.80/2,219.98
6. Step 6: Final answer
   x = 1,844.42