Finding the Fourth Proportional to 35,611.42, 53,435.69 and 25,831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,611.42 : 53,435.69 = 25,831.42 : x
2. Step 2: Convert to fraction form
   35,611.42/53,435.69 = 25,831.42/x
3. Step 3: Cross multiply
   35,611.42x = 53,435.69 × 25,831.42
4. Step 4: Simplify right side
   35,611.42x = 1,380,319,751.38
5. Step 5: Solve for x
   x = 1,380,319,751.38/35,611.42
6. Step 6: Final answer
   x = 38,760.59