Finding the Fourth Proportional to 2,173.50, 2,998.62 and 1,511.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.50 : 2,998.62 = 1,511.73 : x
2. Step 2: Convert to fraction form
   2,173.50/2,998.62 = 1,511.73/x
3. Step 3: Cross multiply
   2,173.50x = 2,998.62 × 1,511.73
4. Step 4: Simplify right side
   2,173.50x = 4,533,103.81
5. Step 5: Solve for x
   x = 4,533,103.81/2,173.50
6. Step 6: Final answer
   x = 2,085.62