Finding the Fourth Proportional to 5,776.31, 7,975.60 and 3,541.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,776.31 : 7,975.60 = 3,541.25 : x
2. Step 2: Convert to fraction form
   5,776.31/7,975.60 = 3,541.25/x
3. Step 3: Cross multiply
   5,776.31x = 7,975.60 × 3,541.25
4. Step 4: Simplify right side
   5,776.31x = 28,243,604.59
5. Step 5: Solve for x
   x = 28,243,604.59/5,776.31
6. Step 6: Final answer
   x = 4,889.56