Finding the Fourth Proportional to 12,264.84, 16,911.72 and 7,782.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,264.84 : 16,911.72 = 7,782.84 : x
2. Step 2: Convert to fraction form
   12,264.84/16,911.72 = 7,782.84/x
3. Step 3: Cross multiply
   12,264.84x = 16,911.72 × 7,782.84
4. Step 4: Simplify right side
   12,264.84x = 131,621,210.88
5. Step 5: Solve for x
   x = 131,621,210.88/12,264.84
6. Step 6: Final answer
   x = 10,731.59