Finding the Fourth Proportional to 1,429.82, 2,143.03 and 697.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.82 : 2,143.03 = 697.71 : x
2. Step 2: Convert to fraction form
   1,429.82/2,143.03 = 697.71/x
3. Step 3: Cross multiply
   1,429.82x = 2,143.03 × 697.71
4. Step 4: Simplify right side
   1,429.82x = 1,495,213.46
5. Step 5: Solve for x
   x = 1,495,213.46/1,429.82
6. Step 6: Final answer
   x = 1,045.74