Finding the Fourth Proportional to 1,412.29, 2,109.05 and 1,397.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.29 : 2,109.05 = 1,397.04 : x
2. Step 2: Convert to fraction form
   1,412.29/2,109.05 = 1,397.04/x
3. Step 3: Cross multiply
   1,412.29x = 2,109.05 × 1,397.04
4. Step 4: Simplify right side
   1,412.29x = 2,946,427.21
5. Step 5: Solve for x
   x = 2,946,427.21/1,412.29
6. Step 6: Final answer
   x = 2,086.28