Finding the Fourth Proportional to 1,627.80, 2,426.88 and 1,472.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.80 : 2,426.88 = 1,472.28 : x
2. Step 2: Convert to fraction form
   1,627.80/2,426.88 = 1,472.28/x
3. Step 3: Cross multiply
   1,627.80x = 2,426.88 × 1,472.28
4. Step 4: Simplify right side
   1,627.80x = 3,573,046.89
5. Step 5: Solve for x
   x = 3,573,046.89/1,627.80
6. Step 6: Final answer
   x = 2,195.02