Finding the Fourth Proportional to 2,627.20, 3,625.50 and 1,432.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.20 : 3,625.50 = 1,432.18 : x
2. Step 2: Convert to fraction form
   2,627.20/3,625.50 = 1,432.18/x
3. Step 3: Cross multiply
   2,627.20x = 3,625.50 × 1,432.18
4. Step 4: Simplify right side
   2,627.20x = 5,192,368.59
5. Step 5: Solve for x
   x = 5,192,368.59/2,627.20
6. Step 6: Final answer
   x = 1,976.39