Finding the Fourth Proportional to 2,083.62, 3,124.52 and 1,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.62 : 3,124.52 = 1,109.50 : x
2. Step 2: Convert to fraction form
   2,083.62/3,124.52 = 1,109.50/x
3. Step 3: Cross multiply
   2,083.62x = 3,124.52 × 1,109.50
4. Step 4: Simplify right side
   2,083.62x = 3,466,654.94
5. Step 5: Solve for x
   x = 3,466,654.94/2,083.62
6. Step 6: Final answer
   x = 1,663.77