Finding the Fourth Proportional to 1,112.77, 1,669.52 and 1,016.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.77 : 1,669.52 = 1,016.29 : x
2. Step 2: Convert to fraction form
   1,112.77/1,669.52 = 1,016.29/x
3. Step 3: Cross multiply
   1,112.77x = 1,669.52 × 1,016.29
4. Step 4: Simplify right side
   1,112.77x = 1,696,716.48
5. Step 5: Solve for x
   x = 1,696,716.48/1,112.77
6. Step 6: Final answer
   x = 1,524.77