Finding the Fourth Proportional to 23,419.94, 34,960.17 and 21,685.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,419.94 : 34,960.17 = 21,685.73 : x
2. Step 2: Convert to fraction form
   23,419.94/34,960.17 = 21,685.73/x
3. Step 3: Cross multiply
   23,419.94x = 34,960.17 × 21,685.73
4. Step 4: Simplify right side
   23,419.94x = 758,136,698.95
5. Step 5: Solve for x
   x = 758,136,698.95/23,419.94
6. Step 6: Final answer
   x = 32,371.42