Finding the Fourth Proportional to 22,145.29, 30,559.41 and 12,583.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145.29 : 30,559.41 = 12,583.93 : x
2. Step 2: Convert to fraction form
   22,145.29/30,559.41 = 12,583.93/x
3. Step 3: Cross multiply
   22,145.29x = 30,559.41 × 12,583.93
4. Step 4: Simplify right side
   22,145.29x = 384,557,476.28
5. Step 5: Solve for x
   x = 384,557,476.28/22,145.29
6. Step 6: Final answer
   x = 17,365.20