Finding the Fourth Proportional to 16,684.07, 23,032.41 and 12,898.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,684.07 : 23,032.41 = 12,898.69 : x
2. Step 2: Convert to fraction form
   16,684.07/23,032.41 = 12,898.69/x
3. Step 3: Cross multiply
   16,684.07x = 23,032.41 × 12,898.69
4. Step 4: Simplify right side
   16,684.07x = 297,087,858.96
5. Step 5: Solve for x
   x = 297,087,858.96/16,684.07
6. Step 6: Final answer
   x = 17,806.68