Finding the Fourth Proportional to 1,435.76, 1,981.82 and 932.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.76 : 1,981.82 = 932.30 : x
2. Step 2: Convert to fraction form
   1,435.76/1,981.82 = 932.30/x
3. Step 3: Cross multiply
   1,435.76x = 1,981.82 × 932.30
4. Step 4: Simplify right side
   1,435.76x = 1,847,650.79
5. Step 5: Solve for x
   x = 1,847,650.79/1,435.76
6. Step 6: Final answer
   x = 1,286.88