Finding the Fourth Proportional to 3,020.50, 4,532.37 and 2,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,020.50 : 4,532.37 = 2,291.50 : x
2. Step 2: Convert to fraction form
   3,020.50/4,532.37 = 2,291.50/x
3. Step 3: Cross multiply
   3,020.50x = 4,532.37 × 2,291.50
4. Step 4: Simplify right side
   3,020.50x = 10,385,925.86
5. Step 5: Solve for x
   x = 10,385,925.86/3,020.50
6. Step 6: Final answer
   x = 3,438.48