Finding the Fourth Proportional to 5,401.50, 7,457.31 and 3,541.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.50 : 7,457.31 = 3,541.74 : x
2. Step 2: Convert to fraction form
   5,401.50/7,457.31 = 3,541.74/x
3. Step 3: Cross multiply
   5,401.50x = 7,457.31 × 3,541.74
4. Step 4: Simplify right side
   5,401.50x = 26,411,853.12
5. Step 5: Solve for x
   x = 26,411,853.12/5,401.50
6. Step 6: Final answer
   x = 4,889.73