Finding the Fourth Proportional to 1,819.87, 2,511.72 and 1,074.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.87 : 2,511.72 = 1,074.01 : x
2. Step 2: Convert to fraction form
   1,819.87/2,511.72 = 1,074.01/x
3. Step 3: Cross multiply
   1,819.87x = 2,511.72 × 1,074.01
4. Step 4: Simplify right side
   1,819.87x = 2,697,612.40
5. Step 5: Solve for x
   x = 2,697,612.40/1,819.87
6. Step 6: Final answer
   x = 1,482.31