Finding the Fourth Proportional to 5,311.15, 7,951.33 and 4,748.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,311.15 : 7,951.33 = 4,748.34 : x
2. Step 2: Convert to fraction form
   5,311.15/7,951.33 = 4,748.34/x
3. Step 3: Cross multiply
   5,311.15x = 7,951.33 × 4,748.34
4. Step 4: Simplify right side
   5,311.15x = 37,755,618.29
5. Step 5: Solve for x
   x = 37,755,618.29/5,311.15
6. Step 6: Final answer
   x = 7,108.75