Finding the Fourth Proportional to 1,053.73, 1,454.16 and 587.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.73 : 1,454.16 = 587.98 : x
2. Step 2: Convert to fraction form
   1,053.73/1,454.16 = 587.98/x
3. Step 3: Cross multiply
   1,053.73x = 1,454.16 × 587.98
4. Step 4: Simplify right side
   1,053.73x = 855,017.00
5. Step 5: Solve for x
   x = 855,017.00/1,053.73
6. Step 6: Final answer
   x = 811.42