Finding the Fourth Proportional to 7,480.55, 10,323.45 and 4,123.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.55 : 10,323.45 = 4,123.51 : x
2. Step 2: Convert to fraction form
   7,480.55/10,323.45 = 4,123.51/x
3. Step 3: Cross multiply
   7,480.55x = 10,323.45 × 4,123.51
4. Step 4: Simplify right side
   7,480.55x = 42,568,823.50
5. Step 5: Solve for x
   x = 42,568,823.50/7,480.55
6. Step 6: Final answer
   x = 5,690.60