Finding the Fourth Proportional to 2,651.80, 3,659.30 and 1,472.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.80 : 3,659.30 = 1,472.80 : x
2. Step 2: Convert to fraction form
   2,651.80/3,659.30 = 1,472.80/x
3. Step 3: Cross multiply
   2,651.80x = 3,659.30 × 1,472.80
4. Step 4: Simplify right side
   2,651.80x = 5,389,417.04
5. Step 5: Solve for x
   x = 5,389,417.04/2,651.80
6. Step 6: Final answer
   x = 2,032.36