Finding the Fourth Proportional to 6,945.16, 10,410.72 and 3,475.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,945.16 : 10,410.72 = 3,475.12 : x
2. Step 2: Convert to fraction form
   6,945.16/10,410.72 = 3,475.12/x
3. Step 3: Cross multiply
   6,945.16x = 10,410.72 × 3,475.12
4. Step 4: Simplify right side
   6,945.16x = 36,178,501.29
5. Step 5: Solve for x
   x = 36,178,501.29/6,945.16
6. Step 6: Final answer
   x = 5,209.17