Finding the Fourth Proportional to 15,061.48, 22,572.06 and 8,485

Step by Step Solution

1. Step 1: Write the proportion equation
   15,061.48 : 22,572.06 = 8,485 : x
2. Step 2: Convert to fraction form
   15,061.48/22,572.06 = 8,485/x
3. Step 3: Cross multiply
   15,061.48x = 22,572.06 × 8,485
4. Step 4: Simplify right side
   15,061.48x = 191,523,929.10
5. Step 5: Solve for x
   x = 191,523,929.10/15,061.48
6. Step 6: Final answer
   x = 12,716.14