Finding the Fourth Proportional to 15,541.50, 23,315.91 and 5,153.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,541.50 : 23,315.91 = 5,153.25 : x
2. Step 2: Convert to fraction form
   15,541.50/23,315.91 = 5,153.25/x
3. Step 3: Cross multiply
   15,541.50x = 23,315.91 × 5,153.25
4. Step 4: Simplify right side
   15,541.50x = 120,152,713.21
5. Step 5: Solve for x
   x = 120,152,713.21/15,541.50
6. Step 6: Final answer
   x = 7,731.09