Finding the Fourth Proportional to 2,073.62, 3,109.52 and 1,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.62 : 3,109.52 = 1,099.50 : x
2. Step 2: Convert to fraction form
   2,073.62/3,109.52 = 1,099.50/x
3. Step 3: Cross multiply
   2,073.62x = 3,109.52 × 1,099.50
4. Step 4: Simplify right side
   2,073.62x = 3,418,917.24
5. Step 5: Solve for x
   x = 3,418,917.24/2,073.62
6. Step 6: Final answer
   x = 1,648.77