Finding the Fourth Proportional to 2,111.94, 2,917.08 and 1,551.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.94 : 2,917.08 = 1,551.56 : x
2. Step 2: Convert to fraction form
   2,111.94/2,917.08 = 1,551.56/x
3. Step 3: Cross multiply
   2,111.94x = 2,917.08 × 1,551.56
4. Step 4: Simplify right side
   2,111.94x = 4,526,010.06
5. Step 5: Solve for x
   x = 4,526,010.06/2,111.94
6. Step 6: Final answer
   x = 2,143.06