Finding the Fourth Proportional to 12,901.02, 17,782.71 and 8,701.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.02 : 17,782.71 = 8,701.98 : x
2. Step 2: Convert to fraction form
   12,901.02/17,782.71 = 8,701.98/x
3. Step 3: Cross multiply
   12,901.02x = 17,782.71 × 8,701.98
4. Step 4: Simplify right side
   12,901.02x = 154,744,786.77
5. Step 5: Solve for x
   x = 154,744,786.77/12,901.02
6. Step 6: Final answer
   x = 11,994.77