Finding the Fourth Proportional to 10,351.72, 15,521.25 and 5,080.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,351.72 : 15,521.25 = 5,080.04 : x
2. Step 2: Convert to fraction form
   10,351.72/15,521.25 = 5,080.04/x
3. Step 3: Cross multiply
   10,351.72x = 15,521.25 × 5,080.04
4. Step 4: Simplify right side
   10,351.72x = 78,848,570.50
5. Step 5: Solve for x
   x = 78,848,570.50/10,351.72
6. Step 6: Final answer
   x = 7,616.95