Finding the Fourth Proportional to 2,451.34, 3,677.22 and 2,118.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.34 : 3,677.22 = 2,118.94 : x
2. Step 2: Convert to fraction form
   2,451.34/3,677.22 = 2,118.94/x
3. Step 3: Cross multiply
   2,451.34x = 3,677.22 × 2,118.94
4. Step 4: Simplify right side
   2,451.34x = 7,791,808.55
5. Step 5: Solve for x
   x = 7,791,808.55/2,451.34
6. Step 6: Final answer
   x = 3,178.59