Finding the Fourth Proportional to 1,801.72, 2,703.38 and 1,772.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.72 : 2,703.38 = 1,772.56 : x
2. Step 2: Convert to fraction form
   1,801.72/2,703.38 = 1,772.56/x
3. Step 3: Cross multiply
   1,801.72x = 2,703.38 × 1,772.56
4. Step 4: Simplify right side
   1,801.72x = 4,791,903.25
5. Step 5: Solve for x
   x = 4,791,903.25/1,801.72
6. Step 6: Final answer
   x = 2,659.63