Finding the Fourth Proportional to 3,718.12, 5,100.89 and 3,482.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,718.12 : 5,100.89 = 3,482.60 : x
2. Step 2: Convert to fraction form
   3,718.12/5,100.89 = 3,482.60/x
3. Step 3: Cross multiply
   3,718.12x = 5,100.89 × 3,482.60
4. Step 4: Simplify right side
   3,718.12x = 17,764,359.51
5. Step 5: Solve for x
   x = 17,764,359.51/3,718.12
6. Step 6: Final answer
   x = 4,777.78