Finding the Fourth Proportional to 5,147.15, 7,654.50 and 4,983.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.15 : 7,654.50 = 4,983.12 : x
2. Step 2: Convert to fraction form
   5,147.15/7,654.50 = 4,983.12/x
3. Step 3: Cross multiply
   5,147.15x = 7,654.50 × 4,983.12
4. Step 4: Simplify right side
   5,147.15x = 38,143,292.04
5. Step 5: Solve for x
   x = 38,143,292.04/5,147.15
6. Step 6: Final answer
   x = 7,410.57