Finding the Fourth Proportional to 3,477.80, 4,796.89 and 2,152.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,477.80 : 4,796.89 = 2,152.13 : x
2. Step 2: Convert to fraction form
   3,477.80/4,796.89 = 2,152.13/x
3. Step 3: Cross multiply
   3,477.80x = 4,796.89 × 2,152.13
4. Step 4: Simplify right side
   3,477.80x = 10,323,530.88
5. Step 5: Solve for x
   x = 10,323,530.88/3,477.80
6. Step 6: Final answer
   x = 2,968.41