Finding the Fourth Proportional to 1,429.56, 1,971.68 and 932.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.56 : 1,971.68 = 932.36 : x
2. Step 2: Convert to fraction form
   1,429.56/1,971.68 = 932.36/x
3. Step 3: Cross multiply
   1,429.56x = 1,971.68 × 932.36
4. Step 4: Simplify right side
   1,429.56x = 1,838,301.04
5. Step 5: Solve for x
   x = 1,838,301.04/1,429.56
6. Step 6: Final answer
   x = 1,285.92