Finding the Fourth Proportional to 11,861.78, 17,792.73 and 3,096.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861.78 : 17,792.73 = 3,096.77 : x
2. Step 2: Convert to fraction form
   11,861.78/17,792.73 = 3,096.77/x
3. Step 3: Cross multiply
   11,861.78x = 17,792.73 × 3,096.77
4. Step 4: Simplify right side
   11,861.78x = 55,099,903.52
5. Step 5: Solve for x
   x = 55,099,903.52/11,861.78
6. Step 6: Final answer
   x = 4,645.17