Finding the Fourth Proportional to 1,819.58, 2,709.79 and 1,758.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.58 : 2,709.79 = 1,758.07 : x
2. Step 2: Convert to fraction form
   1,819.58/2,709.79 = 1,758.07/x
3. Step 3: Cross multiply
   1,819.58x = 2,709.79 × 1,758.07
4. Step 4: Simplify right side
   1,819.58x = 4,763,999.50
5. Step 5: Solve for x
   x = 4,763,999.50/1,819.58
6. Step 6: Final answer
   x = 2,618.19