Finding the Fourth Proportional to 5,760.94, 8,640.06 and 4,875.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,760.94 : 8,640.06 = 4,875.34 : x
2. Step 2: Convert to fraction form
   5,760.94/8,640.06 = 4,875.34/x
3. Step 3: Cross multiply
   5,760.94x = 8,640.06 × 4,875.34
4. Step 4: Simplify right side
   5,760.94x = 42,123,230.12
5. Step 5: Solve for x
   x = 42,123,230.12/5,760.94
6. Step 6: Final answer
   x = 7,311.87