Finding the Fourth Proportional to 25,412.06, 35,086.14 and 19,433.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,412.06 : 35,086.14 = 19,433.31 : x
2. Step 2: Convert to fraction form
   25,412.06/35,086.14 = 19,433.31/x
3. Step 3: Cross multiply
   25,412.06x = 35,086.14 × 19,433.31
4. Step 4: Simplify right side
   25,412.06x = 681,839,835.32
5. Step 5: Solve for x
   x = 681,839,835.32/25,412.06
6. Step 6: Final answer
   x = 26,831.35