Finding the Fourth Proportional to 1,186.84, 1,789.27 and 1,116.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186.84 : 1,789.27 = 1,116.37 : x
2. Step 2: Convert to fraction form
   1,186.84/1,789.27 = 1,116.37/x
3. Step 3: Cross multiply
   1,186.84x = 1,789.27 × 1,116.37
4. Step 4: Simplify right side
   1,186.84x = 1,997,472.82
5. Step 5: Solve for x
   x = 1,997,472.82/1,186.84
6. Step 6: Final answer
   x = 1,683.02