Finding the Fourth Proportional to 10,098.10, 15,147.72 and 3,078.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,098.10 : 15,147.72 = 3,078.34 : x
2. Step 2: Convert to fraction form
   10,098.10/15,147.72 = 3,078.34/x
3. Step 3: Cross multiply
   10,098.10x = 15,147.72 × 3,078.34
4. Step 4: Simplify right side
   10,098.10x = 46,629,832.38
5. Step 5: Solve for x
   x = 46,629,832.38/10,098.10
6. Step 6: Final answer
   x = 4,617.68