Finding the Fourth Proportional to 15,105.48, 22,656.38 and 7,715.27

Step by Step Solution

1. Step 1: Write the proportion equation
   15,105.48 : 22,656.38 = 7,715.27 : x
2. Step 2: Convert to fraction form
   15,105.48/22,656.38 = 7,715.27/x
3. Step 3: Cross multiply
   15,105.48x = 22,656.38 × 7,715.27
4. Step 4: Simplify right side
   15,105.48x = 174,799,937.06
5. Step 5: Solve for x
   x = 174,799,937.06/15,105.48
6. Step 6: Final answer
   x = 11,571.96