Finding the Fourth Proportional to 22,164.42, 33,193.77 and 12,784.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,164.42 : 33,193.77 = 12,784.83 : x
2. Step 2: Convert to fraction form
   22,164.42/33,193.77 = 12,784.83/x
3. Step 3: Cross multiply
   22,164.42x = 33,193.77 × 12,784.83
4. Step 4: Simplify right side
   22,164.42x = 424,376,706.51
5. Step 5: Solve for x
   x = 424,376,706.51/22,164.42
6. Step 6: Final answer
   x = 19,146.75