Finding the Fourth Proportional to 1,404.49, 2,106.56 and 364.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.49 : 2,106.56 = 364.42 : x
2. Step 2: Convert to fraction form
   1,404.49/2,106.56 = 364.42/x
3. Step 3: Cross multiply
   1,404.49x = 2,106.56 × 364.42
4. Step 4: Simplify right side
   1,404.49x = 767,680.01
5. Step 5: Solve for x
   x = 767,680.01/1,404.49
6. Step 6: Final answer
   x = 546.59