Finding the Fourth Proportional to 12,738, 17,570.82 and 8,014.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,738 : 17,570.82 = 8,014.08 : x
2. Step 2: Convert to fraction form
   12,738/17,570.82 = 8,014.08/x
3. Step 3: Cross multiply
   12,738x = 17,570.82 × 8,014.08
4. Step 4: Simplify right side
   12,738x = 140,813,957.15
5. Step 5: Solve for x
   x = 140,813,957.15/12,738
6. Step 6: Final answer
   x = 11,054.64