Finding the Fourth Proportional to 2,109.06, 2,910.33 and 1,270.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.06 : 2,910.33 = 1,270.38 : x
2. Step 2: Convert to fraction form
   2,109.06/2,910.33 = 1,270.38/x
3. Step 3: Cross multiply
   2,109.06x = 2,910.33 × 1,270.38
4. Step 4: Simplify right side
   2,109.06x = 3,697,225.03
5. Step 5: Solve for x
   x = 3,697,225.03/2,109.06
6. Step 6: Final answer
   x = 1,753.02