Finding the Fourth Proportional to 2,043.67, 2,820.18 and 1,159.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.67 : 2,820.18 = 1,159.45 : x
2. Step 2: Convert to fraction form
   2,043.67/2,820.18 = 1,159.45/x
3. Step 3: Cross multiply
   2,043.67x = 2,820.18 × 1,159.45
4. Step 4: Simplify right side
   2,043.67x = 3,269,856.88
5. Step 5: Solve for x
   x = 3,269,856.88/2,043.67
6. Step 6: Final answer
   x = 1,599.99