Finding the Fourth Proportional to 1,259.04, 1,887.12 and 564.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.04 : 1,887.12 = 564.24 : x
2. Step 2: Convert to fraction form
   1,259.04/1,887.12 = 564.24/x
3. Step 3: Cross multiply
   1,259.04x = 1,887.12 × 564.24
4. Step 4: Simplify right side
   1,259.04x = 1,064,788.59
5. Step 5: Solve for x
   x = 1,064,788.59/1,259.04
6. Step 6: Final answer
   x = 845.71