Finding the Fourth Proportional to 10,659.60, 14,904 and 10,659.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,659.60 : 14,904 = 10,659.60 : x
2. Step 2: Convert to fraction form
   10,659.60/14,904 = 10,659.60/x
3. Step 3: Cross multiply
   10,659.60x = 14,904 × 10,659.60
4. Step 4: Simplify right side
   10,659.60x = 158,870,678.40
5. Step 5: Solve for x
   x = 158,870,678.40/10,659.60
6. Step 6: Final answer
   x = 14,904