Finding the Fourth Proportional to 2,259.08, 3,117.72 and 1,264.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.08 : 3,117.72 = 1,264.34 : x
2. Step 2: Convert to fraction form
   2,259.08/3,117.72 = 1,264.34/x
3. Step 3: Cross multiply
   2,259.08x = 3,117.72 × 1,264.34
4. Step 4: Simplify right side
   2,259.08x = 3,941,870.64
5. Step 5: Solve for x
   x = 3,941,870.64/2,259.08
6. Step 6: Final answer
   x = 1,744.90