Finding the Fourth Proportional to 2,320.52, 3,202.32 and 1,272.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.52 : 3,202.32 = 1,272.56 : x
2. Step 2: Convert to fraction form
   2,320.52/3,202.32 = 1,272.56/x
3. Step 3: Cross multiply
   2,320.52x = 3,202.32 × 1,272.56
4. Step 4: Simplify right side
   2,320.52x = 4,075,144.34
5. Step 5: Solve for x
   x = 4,075,144.34/2,320.52
6. Step 6: Final answer
   x = 1,756.13