Finding the Fourth Proportional to 10,078.16, 15,124.12 and 3,504.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.16 : 15,124.12 = 3,504.28 : x
2. Step 2: Convert to fraction form
   10,078.16/15,124.12 = 3,504.28/x
3. Step 3: Cross multiply
   10,078.16x = 15,124.12 × 3,504.28
4. Step 4: Simplify right side
   10,078.16x = 52,999,151.23
5. Step 5: Solve for x
   x = 52,999,151.23/10,078.16
6. Step 6: Final answer
   x = 5,258.81