Finding the Fourth Proportional to 3,527.96, 4,870.86 and 2,202.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,527.96 : 4,870.86 = 2,202.20 : x
2. Step 2: Convert to fraction form
   3,527.96/4,870.86 = 2,202.20/x
3. Step 3: Cross multiply
   3,527.96x = 4,870.86 × 2,202.20
4. Step 4: Simplify right side
   3,527.96x = 10,726,607.89
5. Step 5: Solve for x
   x = 10,726,607.89/3,527.96
6. Step 6: Final answer
   x = 3,040.46