Finding the Fourth Proportional to 1,404.51, 2,106.54 and 582.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.51 : 2,106.54 = 582.48 : x
2. Step 2: Convert to fraction form
   1,404.51/2,106.54 = 582.48/x
3. Step 3: Cross multiply
   1,404.51x = 2,106.54 × 582.48
4. Step 4: Simplify right side
   1,404.51x = 1,227,017.42
5. Step 5: Solve for x
   x = 1,227,017.42/1,404.51
6. Step 6: Final answer
   x = 873.63