Finding the Fourth Proportional to 12,846.60, 17,695.31 and 9,063.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.60 : 17,695.31 = 9,063.09 : x
2. Step 2: Convert to fraction form
   12,846.60/17,695.31 = 9,063.09/x
3. Step 3: Cross multiply
   12,846.60x = 17,695.31 × 9,063.09
4. Step 4: Simplify right side
   12,846.60x = 160,374,192.77
5. Step 5: Solve for x
   x = 160,374,192.77/12,846.60
6. Step 6: Final answer
   x = 12,483.79