Finding the Fourth Proportional to 1,259.16, 1,887.52 and 609.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.16 : 1,887.52 = 609.52 : x
2. Step 2: Convert to fraction form
   1,259.16/1,887.52 = 609.52/x
3. Step 3: Cross multiply
   1,259.16x = 1,887.52 × 609.52
4. Step 4: Simplify right side
   1,259.16x = 1,150,481.19
5. Step 5: Solve for x
   x = 1,150,481.19/1,259.16
6. Step 6: Final answer
   x = 913.69