Finding the Fourth Proportional to 22,298.04, 30,766.32 and 12,864.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,298.04 : 30,766.32 = 12,864.96 : x
2. Step 2: Convert to fraction form
   22,298.04/30,766.32 = 12,864.96/x
3. Step 3: Cross multiply
   22,298.04x = 30,766.32 × 12,864.96
4. Step 4: Simplify right side
   22,298.04x = 395,807,476.15
5. Step 5: Solve for x
   x = 395,807,476.15/22,298.04
6. Step 6: Final answer
   x = 17,750.77