Finding the Fourth Proportional to 10,077.15, 15,122.61 and 3,503.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.15 : 15,122.61 = 3,503.28 : x
2. Step 2: Convert to fraction form
   10,077.15/15,122.61 = 3,503.28/x
3. Step 3: Cross multiply
   10,077.15x = 15,122.61 × 3,503.28
4. Step 4: Simplify right side
   10,077.15x = 52,978,737.16
5. Step 5: Solve for x
   x = 52,978,737.16/10,077.15
6. Step 6: Final answer
   x = 5,257.31