Finding the Fourth Proportional to 1,404.69, 2,106.59 and 582.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.69 : 2,106.59 = 582.53 : x
2. Step 2: Convert to fraction form
   1,404.69/2,106.59 = 582.53/x
3. Step 3: Cross multiply
   1,404.69x = 2,106.59 × 582.53
4. Step 4: Simplify right side
   1,404.69x = 1,227,138.43
5. Step 5: Solve for x
   x = 1,227,138.43/1,404.69
6. Step 6: Final answer
   x = 873.60