Finding the Fourth Proportional to 15,017.31, 22,518.27 and 5,153.94

Step by Step Solution

1. Step 1: Write the proportion equation
   15,017.31 : 22,518.27 = 5,153.94 : x
2. Step 2: Convert to fraction form
   15,017.31/22,518.27 = 5,153.94/x
3. Step 3: Cross multiply
   15,017.31x = 22,518.27 × 5,153.94
4. Step 4: Simplify right side
   15,017.31x = 116,057,812.48
5. Step 5: Solve for x
   x = 116,057,812.48/15,017.31
6. Step 6: Final answer
   x = 7,728.27