Finding the Fourth Proportional to 5,362.07, 7,399.32 and 3,123.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,362.07 : 7,399.32 = 3,123.86 : x
2. Step 2: Convert to fraction form
   5,362.07/7,399.32 = 3,123.86/x
3. Step 3: Cross multiply
   5,362.07x = 7,399.32 × 3,123.86
4. Step 4: Simplify right side
   5,362.07x = 23,114,439.78
5. Step 5: Solve for x
   x = 23,114,439.78/5,362.07
6. Step 6: Final answer
   x = 4,310.73