Finding the Fourth Proportional to 7,480.37, 10,322.79 and 4,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.37 : 10,322.79 = 4,123.12 : x
2. Step 2: Convert to fraction form
   7,480.37/10,322.79 = 4,123.12/x
3. Step 3: Cross multiply
   7,480.37x = 10,322.79 × 4,123.12
4. Step 4: Simplify right side
   7,480.37x = 42,562,101.90
5. Step 5: Solve for x
   x = 42,562,101.90/7,480.37
6. Step 6: Final answer
   x = 5,689.84