Finding the Fourth Proportional to 2,089.37, 3,127.93 and 1,099.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.37 : 3,127.93 = 1,099.85 : x
2. Step 2: Convert to fraction form
   2,089.37/3,127.93 = 1,099.85/x
3. Step 3: Cross multiply
   2,089.37x = 3,127.93 × 1,099.85
4. Step 4: Simplify right side
   2,089.37x = 3,440,253.81
5. Step 5: Solve for x
   x = 3,440,253.81/2,089.37
6. Step 6: Final answer
   x = 1,646.55