Finding the Fourth Proportional to 2,840.32, 4,259.04 and 1,300

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840.32 : 4,259.04 = 1,300 : x
2. Step 2: Convert to fraction form
   2,840.32/4,259.04 = 1,300/x
3. Step 3: Cross multiply
   2,840.32x = 4,259.04 × 1,300
4. Step 4: Simplify right side
   2,840.32x = 5,536,752
5. Step 5: Solve for x
   x = 5,536,752/2,840.32
6. Step 6: Final answer
   x = 1,949.34