Finding the Fourth Proportional to 7,005.16, 10,502.59 and 3,305.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.16 : 10,502.59 = 3,305.31 : x
2. Step 2: Convert to fraction form
   7,005.16/10,502.59 = 3,305.31/x
3. Step 3: Cross multiply
   7,005.16x = 10,502.59 × 3,305.31
4. Step 4: Simplify right side
   7,005.16x = 34,714,315.75
5. Step 5: Solve for x
   x = 34,714,315.75/7,005.16
6. Step 6: Final answer
   x = 4,955.54