Finding the Fourth Proportional to 12,367.48, 17,065.76 and 7,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,367.48 : 17,065.76 = 7,061.28 : x
2. Step 2: Convert to fraction form
   12,367.48/17,065.76 = 7,061.28/x
3. Step 3: Cross multiply
   12,367.48x = 17,065.76 × 7,061.28
4. Step 4: Simplify right side
   12,367.48x = 120,506,109.77
5. Step 5: Solve for x
   x = 120,506,109.77/12,367.48
6. Step 6: Final answer
   x = 9,743.79