Finding the Fourth Proportional to 10,005.16, 15,009.56 and 5,010.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,005.16 : 15,009.56 = 5,010.14 : x
2. Step 2: Convert to fraction form
   10,005.16/15,009.56 = 5,010.14/x
3. Step 3: Cross multiply
   10,005.16x = 15,009.56 × 5,010.14
4. Step 4: Simplify right side
   10,005.16x = 75,199,996.94
5. Step 5: Solve for x
   x = 75,199,996.94/10,005.16
6. Step 6: Final answer
   x = 7,516.12