Finding the Fourth Proportional to 3,530.58, 4,870.18 and 2,201.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.58 : 4,870.18 = 2,201.98 : x
2. Step 2: Convert to fraction form
   3,530.58/4,870.18 = 2,201.98/x
3. Step 3: Cross multiply
   3,530.58x = 4,870.18 × 2,201.98
4. Step 4: Simplify right side
   3,530.58x = 10,724,015.77
5. Step 5: Solve for x
   x = 10,724,015.77/3,530.58
6. Step 6: Final answer
   x = 3,037.47