Finding the Fourth Proportional to 22,364.72, 30,862.65 and 12,804.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,364.72 : 30,862.65 = 12,804.29 : x
2. Step 2: Convert to fraction form
   22,364.72/30,862.65 = 12,804.29/x
3. Step 3: Cross multiply
   22,364.72x = 30,862.65 × 12,804.29
4. Step 4: Simplify right side
   22,364.72x = 395,174,320.77
5. Step 5: Solve for x
   x = 395,174,320.77/22,364.72
6. Step 6: Final answer
   x = 17,669.54