Finding the Fourth Proportional to 10,410.05, 15,613.36 and 3,012.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,410.05 : 15,613.36 = 3,012.86 : x
2. Step 2: Convert to fraction form
   10,410.05/15,613.36 = 3,012.86/x
3. Step 3: Cross multiply
   10,410.05x = 15,613.36 × 3,012.86
4. Step 4: Simplify right side
   10,410.05x = 47,040,899.31
5. Step 5: Solve for x
   x = 47,040,899.31/10,410.05
6. Step 6: Final answer
   x = 4,518.80