Finding the Fourth Proportional to 25,380.43, 35,013.26 and 16,430.83

Step by Step Solution

1. Step 1: Write the proportion equation
   25,380.43 : 35,013.26 = 16,430.83 : x
2. Step 2: Convert to fraction form
   25,380.43/35,013.26 = 16,430.83/x
3. Step 3: Cross multiply
   25,380.43x = 35,013.26 × 16,430.83
4. Step 4: Simplify right side
   25,380.43x = 575,296,665.59
5. Step 5: Solve for x
   x = 575,296,665.59/25,380.43
6. Step 6: Final answer
   x = 22,666.94