Finding the Fourth Proportional to 2,505.76, 3,458.37 and 1,458.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.76 : 3,458.37 = 1,458.43 : x
2. Step 2: Convert to fraction form
   2,505.76/3,458.37 = 1,458.43/x
3. Step 3: Cross multiply
   2,505.76x = 3,458.37 × 1,458.43
4. Step 4: Simplify right side
   2,505.76x = 5,043,790.56
5. Step 5: Solve for x
   x = 5,043,790.56/2,505.76
6. Step 6: Final answer
   x = 2,012.88