Finding the Fourth Proportional to 3,340.02, 5,014.56 and 2,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,340.02 : 5,014.56 = 2,103.72 : x
2. Step 2: Convert to fraction form
   3,340.02/5,014.56 = 2,103.72/x
3. Step 3: Cross multiply
   3,340.02x = 5,014.56 × 2,103.72
4. Step 4: Simplify right side
   3,340.02x = 10,549,230.16
5. Step 5: Solve for x
   x = 10,549,230.16/3,340.02
6. Step 6: Final answer
   x = 3,158.43