Finding the Fourth Proportional to 12,175.30, 17,084.30 and 12,175.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,175.30 : 17,084.30 = 12,175.30 : x
2. Step 2: Convert to fraction form
   12,175.30/17,084.30 = 12,175.30/x
3. Step 3: Cross multiply
   12,175.30x = 17,084.30 × 12,175.30
4. Step 4: Simplify right side
   12,175.30x = 208,006,477.79
5. Step 5: Solve for x
   x = 208,006,477.79/12,175.30
6. Step 6: Final answer
   x = 17,084.30