Finding the Fourth Proportional to 1,429.27, 1,971.08 and 1,097.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.27 : 1,971.08 = 1,097.71 : x
2. Step 2: Convert to fraction form
   1,429.27/1,971.08 = 1,097.71/x
3. Step 3: Cross multiply
   1,429.27x = 1,971.08 × 1,097.71
4. Step 4: Simplify right side
   1,429.27x = 2,163,668.74
5. Step 5: Solve for x
   x = 2,163,668.74/1,429.27
6. Step 6: Final answer
   x = 1,513.83