Finding the Fourth Proportional to 12,152.60, 17,048.20 and 12,152.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,152.60 : 17,048.20 = 12,152.60 : x
2. Step 2: Convert to fraction form
   12,152.60/17,048.20 = 12,152.60/x
3. Step 3: Cross multiply
   12,152.60x = 17,048.20 × 12,152.60
4. Step 4: Simplify right side
   12,152.60x = 207,179,955.32
5. Step 5: Solve for x
   x = 207,179,955.32/12,152.60
6. Step 6: Final answer
   x = 17,048.20