Finding the Fourth Proportional to 2,109.91, 2,911.84 and 1,552.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.91 : 2,911.84 = 1,552.94 : x
2. Step 2: Convert to fraction form
   2,109.91/2,911.84 = 1,552.94/x
3. Step 3: Cross multiply
   2,109.91x = 2,911.84 × 1,552.94
4. Step 4: Simplify right side
   2,109.91x = 4,521,912.81
5. Step 5: Solve for x
   x = 4,521,912.81/2,109.91
6. Step 6: Final answer
   x = 2,143.18