Finding the Fourth Proportional to 12,368.10, 17,069.20 and 7,063.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,368.10 : 17,069.20 = 7,063.72 : x
2. Step 2: Convert to fraction form
   12,368.10/17,069.20 = 7,063.72/x
3. Step 3: Cross multiply
   12,368.10x = 17,069.20 × 7,063.72
4. Step 4: Simplify right side
   12,368.10x = 120,572,049.42
5. Step 5: Solve for x
   x = 120,572,049.42/12,368.10
6. Step 6: Final answer
   x = 9,748.63