Finding the Fourth Proportional to 12,868.50, 17,596.37 and 12,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,868.50 : 17,596.37 = 12,868.50 : x
2. Step 2: Convert to fraction form
   12,868.50/17,596.37 = 12,868.50/x
3. Step 3: Cross multiply
   12,868.50x = 17,596.37 × 12,868.50
4. Step 4: Simplify right side
   12,868.50x = 226,438,887.35
5. Step 5: Solve for x
   x = 226,438,887.35/12,868.50
6. Step 6: Final answer
   x = 17,596.37