Finding the Fourth Proportional to 10,074.15, 15,118.11 and 3,500.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.15 : 15,118.11 = 3,500.28 : x
2. Step 2: Convert to fraction form
   10,074.15/15,118.11 = 3,500.28/x
3. Step 3: Cross multiply
   10,074.15x = 15,118.11 × 3,500.28
4. Step 4: Simplify right side
   10,074.15x = 52,917,618.07
5. Step 5: Solve for x
   x = 52,917,618.07/10,074.15
6. Step 6: Final answer
   x = 5,252.81