Finding the Fourth Proportional to 10,076.72, 15,115.22 and 3,503.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.72 : 15,115.22 = 3,503.06 : x
2. Step 2: Convert to fraction form
   10,076.72/15,115.22 = 3,503.06/x
3. Step 3: Cross multiply
   10,076.72x = 15,115.22 × 3,503.06
4. Step 4: Simplify right side
   10,076.72x = 52,949,429.48
5. Step 5: Solve for x
   x = 52,949,429.48/10,076.72
6. Step 6: Final answer
   x = 5,254.63