Finding the Fourth Proportional to 10,210.82, 15,319.53 and 5,013.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210.82 : 15,319.53 = 5,013.05 : x
2. Step 2: Convert to fraction form
   10,210.82/15,319.53 = 5,013.05/x
3. Step 3: Cross multiply
   10,210.82x = 15,319.53 × 5,013.05
4. Step 4: Simplify right side
   10,210.82x = 76,797,493.27
5. Step 5: Solve for x
   x = 76,797,493.27/10,210.82
6. Step 6: Final answer
   x = 7,521.19