Finding the Fourth Proportional to 22,145.93, 30,557.63 and 12,714.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145.93 : 30,557.63 = 12,714.29 : x
2. Step 2: Convert to fraction form
   22,145.93/30,557.63 = 12,714.29/x
3. Step 3: Cross multiply
   22,145.93x = 30,557.63 × 12,714.29
4. Step 4: Simplify right side
   22,145.93x = 388,518,505.96
5. Step 5: Solve for x
   x = 388,518,505.96/22,145.93
6. Step 6: Final answer
   x = 17,543.56