Finding the Fourth Proportional to 12,175.30, 16,802.42 and 6,870.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,175.30 : 16,802.42 = 6,870.12 : x
2. Step 2: Convert to fraction form
   12,175.30/16,802.42 = 6,870.12/x
3. Step 3: Cross multiply
   12,175.30x = 16,802.42 × 6,870.12
4. Step 4: Simplify right side
   12,175.30x = 115,434,641.69
5. Step 5: Solve for x
   x = 115,434,641.69/12,175.30
6. Step 6: Final answer
   x = 9,481.05