Finding the Fourth Proportional to 12,892.08, 17,792.56 and 7,859.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.08 : 17,792.56 = 7,859.24 : x
2. Step 2: Convert to fraction form
   12,892.08/17,792.56 = 7,859.24/x
3. Step 3: Cross multiply
   12,892.08x = 17,792.56 × 7,859.24
4. Step 4: Simplify right side
   12,892.08x = 139,835,999.25
5. Step 5: Solve for x
   x = 139,835,999.25/12,892.08
6. Step 6: Final answer
   x = 10,846.66