Finding the Fourth Proportional to 1,429.41, 1,971.21 and 932.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.41 : 1,971.21 = 932.49 : x
2. Step 2: Convert to fraction form
   1,429.41/1,971.21 = 932.49/x
3. Step 3: Cross multiply
   1,429.41x = 1,971.21 × 932.49
4. Step 4: Simplify right side
   1,429.41x = 1,838,133.61
5. Step 5: Solve for x
   x = 1,838,133.61/1,429.41
6. Step 6: Final answer
   x = 1,285.94