Finding the Fourth Proportional to 5,097.30, 7,034.15 and 2,859.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,097.30 : 7,034.15 = 2,859.12 : x
2. Step 2: Convert to fraction form
   5,097.30/7,034.15 = 2,859.12/x
3. Step 3: Cross multiply
   5,097.30x = 7,034.15 × 2,859.12
4. Step 4: Simplify right side
   5,097.30x = 20,111,486.10
5. Step 5: Solve for x
   x = 20,111,486.10/5,097.30
6. Step 6: Final answer
   x = 3,945.52