Finding the Fourth Proportional to 10,005, 15,014.99 and 3,771.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,005 : 15,014.99 = 3,771.15 : x
2. Step 2: Convert to fraction form
   10,005/15,014.99 = 3,771.15/x
3. Step 3: Cross multiply
   10,005x = 15,014.99 × 3,771.15
4. Step 4: Simplify right side
   10,005x = 56,623,779.54
5. Step 5: Solve for x
   x = 56,623,779.54/10,005
6. Step 6: Final answer
   x = 5,659.55