Finding the Fourth Proportional to 10,078.68, 15,112.98 and 3,503.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.68 : 15,112.98 = 3,503.10 : x
2. Step 2: Convert to fraction form
   10,078.68/15,112.98 = 3,503.10/x
3. Step 3: Cross multiply
   10,078.68x = 15,112.98 × 3,503.10
4. Step 4: Simplify right side
   10,078.68x = 52,942,280.24
5. Step 5: Solve for x
   x = 52,942,280.24/10,078.68
6. Step 6: Final answer
   x = 5,252.90