Finding the Fourth Proportional to 25,563.59, 35,278.52 and 13,922.58

Step by Step Solution

1. Step 1: Write the proportion equation
   25,563.59 : 35,278.52 = 13,922.58 : x
2. Step 2: Convert to fraction form
   25,563.59/35,278.52 = 13,922.58/x
3. Step 3: Cross multiply
   25,563.59x = 35,278.52 × 13,922.58
4. Step 4: Simplify right side
   25,563.59x = 491,168,016.98
5. Step 5: Solve for x
   x = 491,168,016.98/25,563.59
6. Step 6: Final answer
   x = 19,213.58