Finding the Fourth Proportional to 7,480.18, 10,322.71 and 4,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.18 : 10,322.71 = 4,123.12 : x
2. Step 2: Convert to fraction form
   7,480.18/10,322.71 = 4,123.12/x
3. Step 3: Cross multiply
   7,480.18x = 10,322.71 × 4,123.12
4. Step 4: Simplify right side
   7,480.18x = 42,561,720.44
5. Step 5: Solve for x
   x = 42,561,720.44/7,480.18
6. Step 6: Final answer
   x = 5,689.94