Finding the Fourth Proportional to 25,710.18, 35,483.34 and 14,380.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,710.18 : 35,483.34 = 14,380.31 : x
2. Step 2: Convert to fraction form
   25,710.18/35,483.34 = 14,380.31/x
3. Step 3: Cross multiply
   25,710.18x = 35,483.34 × 14,380.31
4. Step 4: Simplify right side
   25,710.18x = 510,261,431.43
5. Step 5: Solve for x
   x = 510,261,431.43/25,710.18
6. Step 6: Final answer
   x = 19,846.67