Finding the Fourth Proportional to 4,680.21, 7,019.52 and 2,566.60

Step by Step Solution

1. Step 1: Write the proportion equation
   4,680.21 : 7,019.52 = 2,566.60 : x
2. Step 2: Convert to fraction form
   4,680.21/7,019.52 = 2,566.60/x
3. Step 3: Cross multiply
   4,680.21x = 7,019.52 × 2,566.60
4. Step 4: Simplify right side
   4,680.21x = 18,016,300.03
5. Step 5: Solve for x
   x = 18,016,300.03/4,680.21
6. Step 6: Final answer
   x = 3,849.46