Finding the Fourth Proportional to 2,630.32, 3,630.42 and 2,187.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.32 : 3,630.42 = 2,187.46 : x
2. Step 2: Convert to fraction form
   2,630.32/3,630.42 = 2,187.46/x
3. Step 3: Cross multiply
   2,630.32x = 3,630.42 × 2,187.46
4. Step 4: Simplify right side
   2,630.32x = 7,941,382.65
5. Step 5: Solve for x
   x = 7,941,382.65/2,630.32
6. Step 6: Final answer
   x = 3,019.17