Finding the Fourth Proportional to 2,320.63, 3,202.46 and 1,272.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.63 : 3,202.46 = 1,272.69 : x
2. Step 2: Convert to fraction form
   2,320.63/3,202.46 = 1,272.69/x
3. Step 3: Cross multiply
   2,320.63x = 3,202.46 × 1,272.69
4. Step 4: Simplify right side
   2,320.63x = 4,075,738.82
5. Step 5: Solve for x
   x = 4,075,738.82/2,320.63
6. Step 6: Final answer
   x = 1,756.31