Finding the Fourth Proportional to 22,435.58, 30,960.37 and 12,877.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,435.58 : 30,960.37 = 12,877.04 : x
2. Step 2: Convert to fraction form
   22,435.58/30,960.37 = 12,877.04/x
3. Step 3: Cross multiply
   22,435.58x = 30,960.37 × 12,877.04
4. Step 4: Simplify right side
   22,435.58x = 398,677,922.90
5. Step 5: Solve for x
   x = 398,677,922.90/22,435.58
6. Step 6: Final answer
   x = 17,769.90