Finding the Fourth Proportional to 1,404.06, 2,106.67 and 582.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.06 : 2,106.67 = 582.51 : x
2. Step 2: Convert to fraction form
   1,404.06/2,106.67 = 582.51/x
3. Step 3: Cross multiply
   1,404.06x = 2,106.67 × 582.51
4. Step 4: Simplify right side
   1,404.06x = 1,227,156.34
5. Step 5: Solve for x
   x = 1,227,156.34/1,404.06
6. Step 6: Final answer
   x = 874.01