Finding the Fourth Proportional to 7,480.96, 10,323.26 and 4,123.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.96 : 10,323.26 = 4,123.80 : x
2. Step 2: Convert to fraction form
   7,480.96/10,323.26 = 4,123.80/x
3. Step 3: Cross multiply
   7,480.96x = 10,323.26 × 4,123.80
4. Step 4: Simplify right side
   7,480.96x = 42,571,054.43
5. Step 5: Solve for x
   x = 42,571,054.43/7,480.96
6. Step 6: Final answer
   x = 5,690.59