Finding the Fourth Proportional to 10,077.16, 15,122.62 and 3,503.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.16 : 15,122.62 = 3,503.28 : x
2. Step 2: Convert to fraction form
   10,077.16/15,122.62 = 3,503.28/x
3. Step 3: Cross multiply
   10,077.16x = 15,122.62 × 3,503.28
4. Step 4: Simplify right side
   10,077.16x = 52,978,772.19
5. Step 5: Solve for x
   x = 52,978,772.19/10,077.16
6. Step 6: Final answer
   x = 5,257.31