Finding the Fourth Proportional to 12,955.62, 17,835.52 and 12,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,955.62 : 17,835.52 = 12,360.50 : x
2. Step 2: Convert to fraction form
   12,955.62/17,835.52 = 12,360.50/x
3. Step 3: Cross multiply
   12,955.62x = 17,835.52 × 12,360.50
4. Step 4: Simplify right side
   12,955.62x = 220,455,944.96
5. Step 5: Solve for x
   x = 220,455,944.96/12,955.62
6. Step 6: Final answer
   x = 17,016.24