Finding the Fourth Proportional to 12,380.52, 17,085.56 and 8,852.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.52 : 17,085.56 = 8,852.16 : x
2. Step 2: Convert to fraction form
   12,380.52/17,085.56 = 8,852.16/x
3. Step 3: Cross multiply
   12,380.52x = 17,085.56 × 8,852.16
4. Step 4: Simplify right side
   12,380.52x = 151,244,110.81
5. Step 5: Solve for x
   x = 151,244,110.81/12,380.52
6. Step 6: Final answer
   x = 12,216.30