Finding the Fourth Proportional to 2,505.63, 3,458.09 and 1,511.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.63 : 3,458.09 = 1,511.47 : x
2. Step 2: Convert to fraction form
   2,505.63/3,458.09 = 1,511.47/x
3. Step 3: Cross multiply
   2,505.63x = 3,458.09 × 1,511.47
4. Step 4: Simplify right side
   2,505.63x = 5,226,794.43
5. Step 5: Solve for x
   x = 5,226,794.43/2,505.63
6. Step 6: Final answer
   x = 2,086.02