Finding the Fourth Proportional to 2,506.76, 3,456.78 and 1,511.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.76 : 3,456.78 = 1,511.84 : x
2. Step 2: Convert to fraction form
   2,506.76/3,456.78 = 1,511.84/x
3. Step 3: Cross multiply
   2,506.76x = 3,456.78 × 1,511.84
4. Step 4: Simplify right side
   2,506.76x = 5,226,098.28
5. Step 5: Solve for x
   x = 5,226,098.28/2,506.76
6. Step 6: Final answer
   x = 2,084.80