Finding the Fourth Proportional to 2,012.76, 3,005.37 and 1,803.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.76 : 3,005.37 = 1,803.17 : x
2. Step 2: Convert to fraction form
   2,012.76/3,005.37 = 1,803.17/x
3. Step 3: Cross multiply
   2,012.76x = 3,005.37 × 1,803.17
4. Step 4: Simplify right side
   2,012.76x = 5,419,193.02
5. Step 5: Solve for x
   x = 5,419,193.02/2,012.76
6. Step 6: Final answer
   x = 2,692.42