Finding the Fourth Proportional to 2,452.32, 3,678.58 and 1,152.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.32 : 3,678.58 = 1,152.88 : x
2. Step 2: Convert to fraction form
   2,452.32/3,678.58 = 1,152.88/x
3. Step 3: Cross multiply
   2,452.32x = 3,678.58 × 1,152.88
4. Step 4: Simplify right side
   2,452.32x = 4,240,961.31
5. Step 5: Solve for x
   x = 4,240,961.31/2,452.32
6. Step 6: Final answer
   x = 1,729.37