Finding the Fourth Proportional to 12,367.90, 17,068.89 and 7,063.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,367.90 : 17,068.89 = 7,063.12 : x
2. Step 2: Convert to fraction form
   12,367.90/17,068.89 = 7,063.12/x
3. Step 3: Cross multiply
   12,367.90x = 17,068.89 × 7,063.12
4. Step 4: Simplify right side
   12,367.90x = 120,559,618.34
5. Step 5: Solve for x
   x = 120,559,618.34/12,367.90
6. Step 6: Final answer
   x = 9,747.78