Finding the Fourth Proportional to 1,053.29, 1,453.55 and 587.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.29 : 1,453.55 = 587.54 : x
2. Step 2: Convert to fraction form
   1,053.29/1,453.55 = 587.54/x
3. Step 3: Cross multiply
   1,053.29x = 1,453.55 × 587.54
4. Step 4: Simplify right side
   1,053.29x = 854,018.77
5. Step 5: Solve for x
   x = 854,018.77/1,053.29
6. Step 6: Final answer
   x = 810.81