Finding the Fourth Proportional to 3,677.78, 5,076.06 and 2,106.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.78 : 5,076.06 = 2,106.92 : x
2. Step 2: Convert to fraction form
   3,677.78/5,076.06 = 2,106.92/x
3. Step 3: Cross multiply
   3,677.78x = 5,076.06 × 2,106.92
4. Step 4: Simplify right side
   3,677.78x = 10,694,852.34
5. Step 5: Solve for x
   x = 10,694,852.34/3,677.78
6. Step 6: Final answer
   x = 2,907.96