Finding the Fourth Proportional to 12,900.52, 17,782.02 and 8,701.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,900.52 : 17,782.02 = 8,701.48 : x
2. Step 2: Convert to fraction form
   12,900.52/17,782.02 = 8,701.48/x
3. Step 3: Cross multiply
   12,900.52x = 17,782.02 × 8,701.48
4. Step 4: Simplify right side
   12,900.52x = 154,729,891.39
5. Step 5: Solve for x
   x = 154,729,891.39/12,900.52
6. Step 6: Final answer
   x = 11,994.08