Finding the Fourth Proportional to 16,901.10, 23,696.10 and 16,901.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,901.10 : 23,696.10 = 16,901.10 : x
2. Step 2: Convert to fraction form
   16,901.10/23,696.10 = 16,901.10/x
3. Step 3: Cross multiply
   16,901.10x = 23,696.10 × 16,901.10
4. Step 4: Simplify right side
   16,901.10x = 400,490,155.71
5. Step 5: Solve for x
   x = 400,490,155.71/16,901.10
6. Step 6: Final answer
   x = 23,696.10