Finding the Fourth Proportional to 11,863.78, 17,795.73 and 3,098.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,863.78 : 17,795.73 = 3,098.77 : x
2. Step 2: Convert to fraction form
   11,863.78/17,795.73 = 3,098.77/x
3. Step 3: Cross multiply
   11,863.78x = 17,795.73 × 3,098.77
4. Step 4: Simplify right side
   11,863.78x = 55,144,874.25
5. Step 5: Solve for x
   x = 55,144,874.25/11,863.78
6. Step 6: Final answer
   x = 4,648.17