Finding the Fourth Proportional to 1,435.46, 1,981.02 and 806.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.46 : 1,981.02 = 806.06 : x
2. Step 2: Convert to fraction form
   1,435.46/1,981.02 = 806.06/x
3. Step 3: Cross multiply
   1,435.46x = 1,981.02 × 806.06
4. Step 4: Simplify right side
   1,435.46x = 1,596,820.98
5. Step 5: Solve for x
   x = 1,596,820.98/1,435.46
6. Step 6: Final answer
   x = 1,112.41