Finding the Fourth Proportional to 9,280.50, 13,922.94 and 3,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.50 : 13,922.94 = 3,124.50 : x
2. Step 2: Convert to fraction form
   9,280.50/13,922.94 = 3,124.50/x
3. Step 3: Cross multiply
   9,280.50x = 13,922.94 × 3,124.50
4. Step 4: Simplify right side
   9,280.50x = 43,502,226.03
5. Step 5: Solve for x
   x = 43,502,226.03/9,280.50
6. Step 6: Final answer
   x = 4,687.49