Finding the Fourth Proportional to 1,282.01, 1,769.31 and 784.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282.01 : 1,769.31 = 784.98 : x
2. Step 2: Convert to fraction form
   1,282.01/1,769.31 = 784.98/x
3. Step 3: Cross multiply
   1,282.01x = 1,769.31 × 784.98
4. Step 4: Simplify right side
   1,282.01x = 1,388,872.96
5. Step 5: Solve for x
   x = 1,388,872.96/1,282.01
6. Step 6: Final answer
   x = 1,083.35