Finding the Fourth Proportional to 8,811.12, 13,196.43 and 5,104.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,811.12 : 13,196.43 = 5,104.17 : x
2. Step 2: Convert to fraction form
   8,811.12/13,196.43 = 5,104.17/x
3. Step 3: Cross multiply
   8,811.12x = 13,196.43 × 5,104.17
4. Step 4: Simplify right side
   8,811.12x = 67,356,822.11
5. Step 5: Solve for x
   x = 67,356,822.11/8,811.12
6. Step 6: Final answer
   x = 7,644.52