Finding the Fourth Proportional to 10,010.10, 15,002.55 and 5,081.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.10 : 15,002.55 = 5,081.10 : x
2. Step 2: Convert to fraction form
   10,010.10/15,002.55 = 5,081.10/x
3. Step 3: Cross multiply
   10,010.10x = 15,002.55 × 5,081.10
4. Step 4: Simplify right side
   10,010.10x = 76,229,456.81
5. Step 5: Solve for x
   x = 76,229,456.81/10,010.10
6. Step 6: Final answer
   x = 7,615.25