Finding the Fourth Proportional to 12,368.98, 17,063.25 and 8,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,368.98 : 17,063.25 = 8,118.34 : x
2. Step 2: Convert to fraction form
   12,368.98/17,063.25 = 8,118.34/x
3. Step 3: Cross multiply
   12,368.98x = 17,063.25 × 8,118.34
4. Step 4: Simplify right side
   12,368.98x = 138,525,265.01
5. Step 5: Solve for x
   x = 138,525,265.01/12,368.98
6. Step 6: Final answer
   x = 11,199.41