Finding the Fourth Proportional to 7,480.65, 10,322.83 and 4,123.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.65 : 10,322.83 = 4,123.28 : x
2. Step 2: Convert to fraction form
   7,480.65/10,322.83 = 4,123.28/x
3. Step 3: Cross multiply
   7,480.65x = 10,322.83 × 4,123.28
4. Step 4: Simplify right side
   7,480.65x = 42,563,918.48
5. Step 5: Solve for x
   x = 42,563,918.48/7,480.65
6. Step 6: Final answer
   x = 5,689.87