Finding the Fourth Proportional to 1,030.34, 1,412.33 and 1,016.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.34 : 1,412.33 = 1,016.49 : x
2. Step 2: Convert to fraction form
   1,030.34/1,412.33 = 1,016.49/x
3. Step 3: Cross multiply
   1,030.34x = 1,412.33 × 1,016.49
4. Step 4: Simplify right side
   1,030.34x = 1,435,614.24
5. Step 5: Solve for x
   x = 1,435,614.24/1,030.34
6. Step 6: Final answer
   x = 1,393.35