Finding the Fourth Proportional to 5,386.50, 7,434.18 and 3,290.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,386.50 : 7,434.18 = 3,290.22 : x
2. Step 2: Convert to fraction form
   5,386.50/7,434.18 = 3,290.22/x
3. Step 3: Cross multiply
   5,386.50x = 7,434.18 × 3,290.22
4. Step 4: Simplify right side
   5,386.50x = 24,460,087.72
5. Step 5: Solve for x
   x = 24,460,087.72/5,386.50
6. Step 6: Final answer
   x = 4,541.00