Finding the Fourth Proportional to 2,099.61, 3,150.64 and 1,162.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.61 : 3,150.64 = 1,162.65 : x
2. Step 2: Convert to fraction form
   2,099.61/3,150.64 = 1,162.65/x
3. Step 3: Cross multiply
   2,099.61x = 3,150.64 × 1,162.65
4. Step 4: Simplify right side
   2,099.61x = 3,663,085.78
5. Step 5: Solve for x
   x = 3,663,085.78/2,099.61
6. Step 6: Final answer
   x = 1,744.65