Finding the Fourth Proportional to 10,079.35, 15,121.15 and 3,505.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.35 : 15,121.15 = 3,505.29 : x
2. Step 2: Convert to fraction form
   10,079.35/15,121.15 = 3,505.29/x
3. Step 3: Cross multiply
   10,079.35x = 15,121.15 × 3,505.29
4. Step 4: Simplify right side
   10,079.35x = 53,003,950.42
5. Step 5: Solve for x
   x = 53,003,950.42/10,079.35
6. Step 6: Final answer
   x = 5,258.67