Finding the Fourth Proportional to 2,300.72, 3,172.44 and 1,801.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.72 : 3,172.44 = 1,801.76 : x
2. Step 2: Convert to fraction form
   2,300.72/3,172.44 = 1,801.76/x
3. Step 3: Cross multiply
   2,300.72x = 3,172.44 × 1,801.76
4. Step 4: Simplify right side
   2,300.72x = 5,715,975.49
5. Step 5: Solve for x
   x = 5,715,975.49/2,300.72
6. Step 6: Final answer
   x = 2,484.43