Finding the Fourth Proportional to 5,201.55, 7,790.17 and 5,097.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,201.55 : 7,790.17 = 5,097.15 : x
2. Step 2: Convert to fraction form
   5,201.55/7,790.17 = 5,097.15/x
3. Step 3: Cross multiply
   5,201.55x = 7,790.17 × 5,097.15
4. Step 4: Simplify right side
   5,201.55x = 39,707,665.02
5. Step 5: Solve for x
   x = 39,707,665.02/5,201.55
6. Step 6: Final answer
   x = 7,633.81