Finding the Fourth Proportional to 2,968.34, 4,099.55 and 1,977.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,968.34 : 4,099.55 = 1,977.82 : x
2. Step 2: Convert to fraction form
   2,968.34/4,099.55 = 1,977.82/x
3. Step 3: Cross multiply
   2,968.34x = 4,099.55 × 1,977.82
4. Step 4: Simplify right side
   2,968.34x = 8,108,151.84
5. Step 5: Solve for x
   x = 8,108,151.84/2,968.34
6. Step 6: Final answer
   x = 2,731.55