Finding the Fourth Proportional to 42,609.55, 63,843.69 and 25,919.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,609.55 : 63,843.69 = 25,919.09 : x
2. Step 2: Convert to fraction form
   42,609.55/63,843.69 = 25,919.09/x
3. Step 3: Cross multiply
   42,609.55x = 63,843.69 × 25,919.09
4. Step 4: Simplify right side
   42,609.55x = 1,654,770,347.04
5. Step 5: Solve for x
   x = 1,654,770,347.04/42,609.55
6. Step 6: Final answer
   x = 38,835.67