Finding the Fourth Proportional to 2,059.68, 3,075.72 and 1,800.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.68 : 3,075.72 = 1,800.48 : x
2. Step 2: Convert to fraction form
   2,059.68/3,075.72 = 1,800.48/x
3. Step 3: Cross multiply
   2,059.68x = 3,075.72 × 1,800.48
4. Step 4: Simplify right side
   2,059.68x = 5,537,772.35
5. Step 5: Solve for x
   x = 5,537,772.35/2,059.68
6. Step 6: Final answer
   x = 2,688.66