Finding the Fourth Proportional to 1,429.66, 1,974.03 and 1,097.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.66 : 1,974.03 = 1,097.56 : x
2. Step 2: Convert to fraction form
   1,429.66/1,974.03 = 1,097.56/x
3. Step 3: Cross multiply
   1,429.66x = 1,974.03 × 1,097.56
4. Step 4: Simplify right side
   1,429.66x = 2,166,616.37
5. Step 5: Solve for x
   x = 2,166,616.37/1,429.66
6. Step 6: Final answer
   x = 1,515.48