Finding the Fourth Proportional to 3,538.58, 4,881.33 and 2,213.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.58 : 4,881.33 = 2,213.01 : x
2. Step 2: Convert to fraction form
   3,538.58/4,881.33 = 2,213.01/x
3. Step 3: Cross multiply
   3,538.58x = 4,881.33 × 2,213.01
4. Step 4: Simplify right side
   3,538.58x = 10,802,432.10
5. Step 5: Solve for x
   x = 10,802,432.10/3,538.58
6. Step 6: Final answer
   x = 3,052.76