Finding the Fourth Proportional to 12,345.84, 17,022.52 and 8,566.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,345.84 : 17,022.52 = 8,566.12 : x
2. Step 2: Convert to fraction form
   12,345.84/17,022.52 = 8,566.12/x
3. Step 3: Cross multiply
   12,345.84x = 17,022.52 × 8,566.12
4. Step 4: Simplify right side
   12,345.84x = 145,816,949.02
5. Step 5: Solve for x
   x = 145,816,949.02/12,345.84
6. Step 6: Final answer
   x = 11,811.02