Finding the Fourth Proportional to 1,016.10, 1,347.50 and 1,016.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.10 : 1,347.50 = 1,016.10 : x
2. Step 2: Convert to fraction form
   1,016.10/1,347.50 = 1,016.10/x
3. Step 3: Cross multiply
   1,016.10x = 1,347.50 × 1,016.10
4. Step 4: Simplify right side
   1,016.10x = 1,369,194.75
5. Step 5: Solve for x
   x = 1,369,194.75/1,016.10
6. Step 6: Final answer
   x = 1,347.50