Finding the Fourth Proportional to 1,764.04, 2,656.55 and 1,280.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.04 : 2,656.55 = 1,280.46 : x
2. Step 2: Convert to fraction form
   1,764.04/2,656.55 = 1,280.46/x
3. Step 3: Cross multiply
   1,764.04x = 2,656.55 × 1,280.46
4. Step 4: Simplify right side
   1,764.04x = 3,401,606.01
5. Step 5: Solve for x
   x = 3,401,606.01/1,764.04
6. Step 6: Final answer
   x = 1,928.30