Finding the Fourth Proportional to 1,429.17, 1,972.85 and 932.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.17 : 1,972.85 = 932.23 : x
2. Step 2: Convert to fraction form
   1,429.17/1,972.85 = 932.23/x
3. Step 3: Cross multiply
   1,429.17x = 1,972.85 × 932.23
4. Step 4: Simplify right side
   1,429.17x = 1,839,149.96
5. Step 5: Solve for x
   x = 1,839,149.96/1,429.17
6. Step 6: Final answer
   x = 1,286.87