Finding the Fourth Proportional to 10,630.78, 15,944.04 and 10,103.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,630.78 : 15,944.04 = 10,103.87 : x
2. Step 2: Convert to fraction form
   10,630.78/15,944.04 = 10,103.87/x
3. Step 3: Cross multiply
   10,630.78x = 15,944.04 × 10,103.87
4. Step 4: Simplify right side
   10,630.78x = 161,096,547.29
5. Step 5: Solve for x
   x = 161,096,547.29/10,630.78
6. Step 6: Final answer
   x = 15,153.79