Finding the Fourth Proportional to 2,264, 3,128.20 and 1,870.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264 : 3,128.20 = 1,870.32 : x
2. Step 2: Convert to fraction form
   2,264/3,128.20 = 1,870.32/x
3. Step 3: Cross multiply
   2,264x = 3,128.20 × 1,870.32
4. Step 4: Simplify right side
   2,264x = 5,850,735.02
5. Step 5: Solve for x
   x = 5,850,735.02/2,264
6. Step 6: Final answer
   x = 2,584.25