Finding the Fourth Proportional to 5,664.67, 7,821.15 and 3,541.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,664.67 : 7,821.15 = 3,541.15 : x
2. Step 2: Convert to fraction form
   5,664.67/7,821.15 = 3,541.15/x
3. Step 3: Cross multiply
   5,664.67x = 7,821.15 × 3,541.15
4. Step 4: Simplify right side
   5,664.67x = 27,695,861.82
5. Step 5: Solve for x
   x = 27,695,861.82/5,664.67
6. Step 6: Final answer
   x = 4,889.23