Finding the Fourth Proportional to 5,515.56, 8,276.04 and 4,061.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,515.56 : 8,276.04 = 4,061.21 : x
2. Step 2: Convert to fraction form
   5,515.56/8,276.04 = 4,061.21/x
3. Step 3: Cross multiply
   5,515.56x = 8,276.04 × 4,061.21
4. Step 4: Simplify right side
   5,515.56x = 33,610,695.03
5. Step 5: Solve for x
   x = 33,610,695.03/5,515.56
6. Step 6: Final answer
   x = 6,093.80