Finding the Fourth Proportional to 1,583.37, 2,185.41 and 1,053.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.37 : 2,185.41 = 1,053.18 : x
2. Step 2: Convert to fraction form
   1,583.37/2,185.41 = 1,053.18/x
3. Step 3: Cross multiply
   1,583.37x = 2,185.41 × 1,053.18
4. Step 4: Simplify right side
   1,583.37x = 2,301,619.02
5. Step 5: Solve for x
   x = 2,301,619.02/1,583.37
6. Step 6: Final answer
   x = 1,453.62