Finding the Fourth Proportional to 12,175.47, 16,801.83 and 6,870.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,175.47 : 16,801.83 = 6,870.20 : x
2. Step 2: Convert to fraction form
   12,175.47/16,801.83 = 6,870.20/x
3. Step 3: Cross multiply
   12,175.47x = 16,801.83 × 6,870.20
4. Step 4: Simplify right side
   12,175.47x = 115,431,848.46
5. Step 5: Solve for x
   x = 115,431,848.46/12,175.47
6. Step 6: Final answer
   x = 9,480.69