Finding the Fourth Proportional to 15,408.42, 23,112.72 and 5,020.17

Step by Step Solution

1. Step 1: Write the proportion equation
   15,408.42 : 23,112.72 = 5,020.17 : x
2. Step 2: Convert to fraction form
   15,408.42/23,112.72 = 5,020.17/x
3. Step 3: Cross multiply
   15,408.42x = 23,112.72 × 5,020.17
4. Step 4: Simplify right side
   15,408.42x = 116,029,783.56
5. Step 5: Solve for x
   x = 116,029,783.56/15,408.42
6. Step 6: Final answer
   x = 7,530.28