Finding the Fourth Proportional to 1,345.77, 2,016.82 and 696.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.77 : 2,016.82 = 696.96 : x
2. Step 2: Convert to fraction form
   1,345.77/2,016.82 = 696.96/x
3. Step 3: Cross multiply
   1,345.77x = 2,016.82 × 696.96
4. Step 4: Simplify right side
   1,345.77x = 1,405,641.12
5. Step 5: Solve for x
   x = 1,405,641.12/1,345.77
6. Step 6: Final answer
   x = 1,044.49