Finding the Fourth Proportional to 3,530.47, 4,870.74 and 2,114.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.47 : 4,870.74 = 2,114.18 : x
2. Step 2: Convert to fraction form
   3,530.47/4,870.74 = 2,114.18/x
3. Step 3: Cross multiply
   3,530.47x = 4,870.74 × 2,114.18
4. Step 4: Simplify right side
   3,530.47x = 10,297,621.09
5. Step 5: Solve for x
   x = 10,297,621.09/3,530.47
6. Step 6: Final answer
   x = 2,916.79