Finding the Fourth Proportional to 12,774.04, 17,628.17 and 7,467.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774.04 : 17,628.17 = 7,467.80 : x
2. Step 2: Convert to fraction form
   12,774.04/17,628.17 = 7,467.80/x
3. Step 3: Cross multiply
   12,774.04x = 17,628.17 × 7,467.80
4. Step 4: Simplify right side
   12,774.04x = 131,643,522.45
5. Step 5: Solve for x
   x = 131,643,522.45/12,774.04
6. Step 6: Final answer
   x = 10,305.55