Finding the Fourth Proportional to 1,053.33, 1,453.59 and 587.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.33 : 1,453.59 = 587.58 : x
2. Step 2: Convert to fraction form
   1,053.33/1,453.59 = 587.58/x
3. Step 3: Cross multiply
   1,053.33x = 1,453.59 × 587.58
4. Step 4: Simplify right side
   1,053.33x = 854,100.41
5. Step 5: Solve for x
   x = 854,100.41/1,053.33
6. Step 6: Final answer
   x = 810.86