Finding the Fourth Proportional to 12,792.38, 17,647.79 and 7,484.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.38 : 17,647.79 = 7,484.85 : x
2. Step 2: Convert to fraction form
   12,792.38/17,647.79 = 7,484.85/x
3. Step 3: Cross multiply
   12,792.38x = 17,647.79 × 7,484.85
4. Step 4: Simplify right side
   12,792.38x = 132,091,023.56
5. Step 5: Solve for x
   x = 132,091,023.56/12,792.38
6. Step 6: Final answer
   x = 10,325.76