Finding the Fourth Proportional to 7,480.50, 10,323.12 and 4,123.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.50 : 10,323.12 = 4,123.49 : x
2. Step 2: Convert to fraction form
   7,480.50/10,323.12 = 4,123.49/x
3. Step 3: Cross multiply
   7,480.50x = 10,323.12 × 4,123.49
4. Step 4: Simplify right side
   7,480.50x = 42,567,307.90
5. Step 5: Solve for x
   x = 42,567,307.90/7,480.50
6. Step 6: Final answer
   x = 5,690.44