Finding the Fourth Proportional to 2,452.63, 3,680.78 and 1,155.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.63 : 3,680.78 = 1,155.01 : x
2. Step 2: Convert to fraction form
   2,452.63/3,680.78 = 1,155.01/x
3. Step 3: Cross multiply
   2,452.63x = 3,680.78 × 1,155.01
4. Step 4: Simplify right side
   2,452.63x = 4,251,337.71
5. Step 5: Solve for x
   x = 4,251,337.71/2,452.63
6. Step 6: Final answer
   x = 1,733.38