Finding the Fourth Proportional to 5,187.27, 7,770.51 and 4,914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,187.27 : 7,770.51 = 4,914.72 : x
2. Step 2: Convert to fraction form
   5,187.27/7,770.51 = 4,914.72/x
3. Step 3: Cross multiply
   5,187.27x = 7,770.51 × 4,914.72
4. Step 4: Simplify right side
   5,187.27x = 38,189,880.91
5. Step 5: Solve for x
   x = 38,189,880.91/5,187.27
6. Step 6: Final answer
   x = 7,362.23