Finding the Fourth Proportional to 3,618.41, 4,994.06 and 2,126.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,618.41 : 4,994.06 = 2,126.72 : x
2. Step 2: Convert to fraction form
   3,618.41/4,994.06 = 2,126.72/x
3. Step 3: Cross multiply
   3,618.41x = 4,994.06 × 2,126.72
4. Step 4: Simplify right side
   3,618.41x = 10,620,969.13
5. Step 5: Solve for x
   x = 10,620,969.13/3,618.41
6. Step 6: Final answer
   x = 2,935.26