Finding the Fourth Proportional to 1,435.02, 1,979.82 and 814.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.02 : 1,979.82 = 814.02 : x
2. Step 2: Convert to fraction form
   1,435.02/1,979.82 = 814.02/x
3. Step 3: Cross multiply
   1,435.02x = 1,979.82 × 814.02
4. Step 4: Simplify right side
   1,435.02x = 1,611,613.08
5. Step 5: Solve for x
   x = 1,611,613.08/1,435.02
6. Step 6: Final answer
   x = 1,123.06