Finding the Fourth Proportional to 22,300.08, 30,775.04 and 12,228.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.08 : 30,775.04 = 12,228.91 : x
2. Step 2: Convert to fraction form
   22,300.08/30,775.04 = 12,228.91/x
3. Step 3: Cross multiply
   22,300.08x = 30,775.04 × 12,228.91
4. Step 4: Simplify right side
   22,300.08x = 376,345,148.04
5. Step 5: Solve for x
   x = 376,345,148.04/22,300.08
6. Step 6: Final answer
   x = 16,876.40