Finding the Fourth Proportional to 7,480.26, 10,322.88 and 4,123.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.26 : 10,322.88 = 4,123.05 : x
2. Step 2: Convert to fraction form
   7,480.26/10,322.88 = 4,123.05/x
3. Step 3: Cross multiply
   7,480.26x = 10,322.88 × 4,123.05
4. Step 4: Simplify right side
   7,480.26x = 42,561,698.77
5. Step 5: Solve for x
   x = 42,561,698.77/7,480.26
6. Step 6: Final answer
   x = 5,689.87