Finding the Fourth Proportional to 3,598.78, 4,967.98 and 2,106.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,598.78 : 4,967.98 = 2,106.22 : x
2. Step 2: Convert to fraction form
   3,598.78/4,967.98 = 2,106.22/x
3. Step 3: Cross multiply
   3,598.78x = 4,967.98 × 2,106.22
4. Step 4: Simplify right side
   3,598.78x = 10,463,658.84
5. Step 5: Solve for x
   x = 10,463,658.84/3,598.78
6. Step 6: Final answer
   x = 2,907.56