Finding the Fourth Proportional to 7,480.94, 10,323.56 and 4,123.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.94 : 10,323.56 = 4,123.76 : x
2. Step 2: Convert to fraction form
   7,480.94/10,323.56 = 4,123.76/x
3. Step 3: Cross multiply
   7,480.94x = 10,323.56 × 4,123.76
4. Step 4: Simplify right side
   7,480.94x = 42,571,888.98
5. Step 5: Solve for x
   x = 42,571,888.98/7,480.94
6. Step 6: Final answer
   x = 5,690.72