Finding the Fourth Proportional to 2,111.96, 3,162.47 and 1,876.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.96 : 3,162.47 = 1,876.86 : x
2. Step 2: Convert to fraction form
   2,111.96/3,162.47 = 1,876.86/x
3. Step 3: Cross multiply
   2,111.96x = 3,162.47 × 1,876.86
4. Step 4: Simplify right side
   2,111.96x = 5,935,504.06
5. Step 5: Solve for x
   x = 5,935,504.06/2,111.96
6. Step 6: Final answer
   x = 2,810.43