Finding the Fourth Proportional to 2,505.51, 3,458.16 and 1,458.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.51 : 3,458.16 = 1,458.18 : x
2. Step 2: Convert to fraction form
   2,505.51/3,458.16 = 1,458.18/x
3. Step 3: Cross multiply
   2,505.51x = 3,458.16 × 1,458.18
4. Step 4: Simplify right side
   2,505.51x = 5,042,619.75
5. Step 5: Solve for x
   x = 5,042,619.75/2,505.51
6. Step 6: Final answer
   x = 2,012.61