Finding the Fourth Proportional to 2,051.88, 2,831.54 and 1,886.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.88 : 2,831.54 = 1,886.76 : x
2. Step 2: Convert to fraction form
   2,051.88/2,831.54 = 1,886.76/x
3. Step 3: Cross multiply
   2,051.88x = 2,831.54 × 1,886.76
4. Step 4: Simplify right side
   2,051.88x = 5,342,436.41
5. Step 5: Solve for x
   x = 5,342,436.41/2,051.88
6. Step 6: Final answer
   x = 2,603.68