Finding the Fourth Proportional to 7,480.04, 10,322.70 and 4,123

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.04 : 10,322.70 = 4,123 : x
2. Step 2: Convert to fraction form
   7,480.04/10,322.70 = 4,123/x
3. Step 3: Cross multiply
   7,480.04x = 10,322.70 × 4,123
4. Step 4: Simplify right side
   7,480.04x = 42,560,492.10
5. Step 5: Solve for x
   x = 42,560,492.10/7,480.04
6. Step 6: Final answer
   x = 5,689.87