Finding the Fourth Proportional to 1,970.34, 2,719.04 and 1,074.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.34 : 2,719.04 = 1,074.09 : x
2. Step 2: Convert to fraction form
   1,970.34/2,719.04 = 1,074.09/x
3. Step 3: Cross multiply
   1,970.34x = 2,719.04 × 1,074.09
4. Step 4: Simplify right side
   1,970.34x = 2,920,488.30
5. Step 5: Solve for x
   x = 2,920,488.30/1,970.34
6. Step 6: Final answer
   x = 1,482.22