Finding the Fourth Proportional to 2,452.58, 3,385.29 and 1,405.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.58 : 3,385.29 = 1,405.34 : x
2. Step 2: Convert to fraction form
   2,452.58/3,385.29 = 1,405.34/x
3. Step 3: Cross multiply
   2,452.58x = 3,385.29 × 1,405.34
4. Step 4: Simplify right side
   2,452.58x = 4,757,483.45
5. Step 5: Solve for x
   x = 4,757,483.45/2,452.58
6. Step 6: Final answer
   x = 1,939.79