Finding the Fourth Proportional to 10,074.18, 15,118.16 and 3,500.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.18 : 15,118.16 = 3,500.31 : x
2. Step 2: Convert to fraction form
   10,074.18/15,118.16 = 3,500.31/x
3. Step 3: Cross multiply
   10,074.18x = 15,118.16 × 3,500.31
4. Step 4: Simplify right side
   10,074.18x = 52,918,229.13
5. Step 5: Solve for x
   x = 52,918,229.13/10,074.18
6. Step 6: Final answer
   x = 5,252.86